googleapis/mcp-toolbox
Documented errors, page 5 of 8. Back to googleapis/mcp-toolbox
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| is under the minimum value | validation | error | go, validation, parameters, range-check |
| error embedding parameters with model | exception | error | embeddings, network, api |
| Failed to save panel width: | console | info | javascript, browser, localstorage, ui, quota |
| invalid value for maxDelay | validation | error | configuration, duration-parsing, golang, alloydb |
| failed to create dataproc client | exception | error | gcp, dataproc, grpc, client-initialization |
| failed to get logical view | exception | error | gcp, bigtable, grpc, iam, logical-views |
| failed to unmarshal generation options to proto | validation | error | protojson, yaml, cloud-gemini-data-analytics |
| source_bucket cannot be empty for tool | validation | error | config, validation, yaml, cloud-storage, env-var |
| unable to create session | exception | error | cassandra, initialization, connection |
| unable to get Cloud SQL connection config | exception | error | configuration, cloudsql, postgres, credentials, connection |
| unable to get column types | exception | error | mysql, resultset, metadata, cloudsql |
| error executing go template | validation | error | templates, go-templates, render |
| failed to create materialized view | exception | error | gcp, bigtable, admin-api, permissions |
| missing required secure parameter | validation | error | mcp, security, missing-parameter, secure-parameters |
| no access token supplied with request | validation | error | looker, authentication, oauth, access-token |
| embeddingModel declared more than once | validation | error | config, duplicate, embedding-model, yaml |
| store ID ' ' is not in the list of allowed stores | validation | error | go, authorization-scope, cloud-healthcare, allowlist |
| unable to decode YAML document | validation | critical | yaml, config, decode, startup |
| all resources must belong to the same location. Please make… | validation | error | go, dataplex, validation, multi-location |
| error unmarshaling raw message | exception | error | json, parsing, api-contract, bigquery |
| no document found | exception | error | firestore, path, validation |
| failed to list data products | exception | error | gcp, dataplex, grpc, network, pagination |
| multiple VMs named found in zones: - please specify vm_zone… | validation | error | gcp, compute-engine, ambiguous-parameter |
| toolbox failed to initialize | exception | error | initialization, server, configuration |
| conflicting source configuration: readOnly is | validation | error | config, validation, conflict, bigquery |
| unable to create bigtable.NewInstanceAdminClient | exception | error | gcp, bigtable, authentication, admin-api |
| client-side OAuth is enabled but no access token was… | validation | error | gcp, cloud-monitoring, oauth, client-auth |
| error substituting params for message | validation | error | templates, prompts, validation, configuration |
| failed to create DataChatClient | exception | error | cloudgda, google-cloud, authentication, client-initialization |
| failed to create dataproc job client | exception | error | gcp, dataproc, grpc, client-initialization |
| failed to get url | exception | error | dgraph, url, config, validation |
| failed to unmarshal job JSON | exception | error | gcp, dataproc, serialization, json |
| invalid notification request | exception | warning | mcp, json, notification, request-validation |
| invalid queryTimeout | validation | error | mysql, configuration, duration, validation |
| MCP Auth is enabled but Toolbox URL is missing. Please… | validation | error | configuration, mcp, auth, env-var |
| templateParameter only supports string arrays | validation | error | templates, parameters, type-mismatch |
| error retrieving configuration file | console | error | cli, configuration, migration |
| failed to read response body | exception | error | firestore, http, io, response-body |
| invalid writeMode : must be one of , , or | validation | error | config, validation, bigquery |
| parameter ' ' is marked for embedding but has a non-string… | validation | error | parameters, embedding, type-mismatch |
| prebuilt source tool for | validation | error | configuration, prebuilt-configs, yaml |
| unexpected non-string key for entry in | validation | error | yaml, config-parsing, type-mismatch |
| invalid toolset name | validation | error | go, validation, naming, toolset |
| Toolbox binary not found | exception | error | firestore, timestamp, parsing |
| could not parse audience from token | exception | error | jwt, auth, audience |
| failed to decode response body | exception | error | elasticsearch, response-parsing, json, esql |
| failed to delete table | exception | error | gcp, bigtable, grpc, iam, admin-api |
| %g is an excluded value | validation | error | go, validation, parameters, float |
| tls.insecureSkipVerify is set on source | validation | error | config, tls, falkordb, validation |
| audience validation failed: expected | validation | error | jwt, auth, audience, configuration |
| cannot provide both mainJarFile and mainClass | validation | error | validation, parameters, dataproc, serverlessspark |
| parameter is missing 'type' field | validation | error | |
| failed to list objects in bucket | exception | error | gcs, network, iam, list-objects, cloudstorage |
| failed to parse introspection response | exception | error | oauth, introspection, json |
| 'filter_expression' must be a string, got %T | validation | error | looker, type-error, parameters |
| Invalid number " " found in array for at index . | validation | error | firestore, reference, type-mismatch |
| invalid prebuilt config format | console | error | cli, configuration, prebuilt-configs |
| parameter 'type' field must be a string, got %T | validation | error | |
| resources cannot be empty | validation | error | go, dataplex, validation, empty-input |
| toolset declared more than once | validation | error | config, duplicate, toolset, yaml |
| error parsing template | exception | error | templates, syntax, configuration |
| error restoring backup | exception | error | gcp, cloudsql, api-error, restore |
| error writing SKILL.md | console | error | go, cli, filesystem, permissions, write-file |
| `introspectionEndpoint` is not allowed when `mcpEnabled` is… | validation | error | configuration, auth, oidc, validation |
| unknown prompt type | validation | error | configuration, prompts, yaml, registry |
| request failed: , body | http | error | http, cloud-monitoring, api-error |
| unable to parse element # | validation | error | parameter-validation, array, type-error, mcp-toolbox |
| error finding YML files in | exception | error | go, filesystem, glob, config-loading |
| invalid slog level | validation | error | logging, go, slog |
| can't convert sorts to array of strings | validation | error | looker, type-conversion, parameters |
| error marshaling dynamic_fields | exception | error | looker, json, serialization |
| job has no placement info | exception | warning | gcp, dataproc, url-generation, nil-check, missing-metadata |
| unsupported tool parameter type for BigQuery | validation | error | bigquery, parameter-types, configuration, type-mapping |
| invalid JWT token | exception | error | go, jwt, auth, security |
| toolbox failed to start listener | exception | error | network, tls, listener, port |
| unable to initialize source | exception | error | initialization, connection, database, tracing |
| error generating SKILL.md content | console | error | go, cli, skills, markdown, template-generation |
| object : bytes exceeds byte limit | exception | error | size-limit, read-object, gcs, cloudstorage |
| unable to convert entryBody to MapSlice | exception | error | yaml, config-parsing, type-mismatch |
| unable to retrieve column names | exception | error | database, trino, result-metadata, row-iteration |
| graceful shutdown timed out... forcing exit | console | warning | shutdown, server, timeout, graceful-shutdown |
| /api native endpoints are disabled by default. Please use… | http | error | firestore, map, error-wrapping |
| `introspectionMethod` is not allowed when `mcpEnabled` is… | validation | error | configuration, auth, oidc, validation |
| tool execution failed | console | error | cli, database, tool-execution |
| dgraph instance [ ] is not in healthy state, address is | exception | error | dgraph, health-check, unhealthy-instance, operations |
| error creating go template | validation | error | templates, go-templates, configuration |
| more than one default (nameless) group declared; only one… | validation | error | yaml, config, group, duplicate, default |
| error constructing service creator | exception | error | cloudhealthcare, google-cloud, oauth, initialization |
| missing parameter | validation | error | parameters, validation, missing-argument |
| parameter is not secure and must not be passed in… | validation | error | mcp, security, secure-parameters, protocol-error |
| %g is under the minimum value | validation | error | go, validation, parameters, range-check |
| invalid jobStateMatcher | validation | error | dataproc, validation, invalid-parameter, enum |
| nested items should not have auth services | validation | error | yaml-config, auth, array-parameter, mcp-toolbox |
| tool not found | validation | error | go, cli, config, tool-lookup |
| unable to retrieve logger | exception | error | go, context, logging, gemini, embedding |
| unanalyzable statements like | validation | error | bigquery, sql-parsing, dataset-restrictions, ddl |
| error replacing pathParams | validation | error | go, http, template, url |
| failed to read prebuilt tools | exception | critical | embed, go, prebuilt-configs, filesystem |
| unable to read query results | exception | error | bigquery, job, query-results, transient |
| error listing AlloyDB users | error_code | error | gcp, alloydb, rest-api, authorization, network |