Project belongs to another company or does not exist

Error message

Project belongs to another company or does not exist: ${projectId}

What it means

Error "Project belongs to another company or does not exist: ${projectId}" thrown in paperclipai/paperclip.

Solutions

Use a projectId that exists in the same company as the wiki space.

When it happens

Trigger: Thrown at packages/plugins/plugin-llm-wiki/src/wiki/core.ts:1007 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of paperclipai/paperclip@5716fe907e (2026-08-18). Data as JSON: /api/errors/e1bebe1f570201f4. Report an issue: GitHub.

Appendix: source

Thrown at packages/plugins/plugin-llm-wiki/src/wiki/core.ts:1006

  });
  if (!policy.allowed) throw new Error(policy.message);
  if (input.profile.enabled && input.profile.sourceScopes.length === 0) {
    throw new Error("Paperclip ingestion profile must include at least one source scope before it can be enabled.");
  }
  if (input.profile.sourceScopes.length > MAX_PAPERCLIP_INGESTION_PROFILE_SOURCE_COUNT) {
    throw new Error(`Paperclip ingestion profile sources exceed the hard cap of ${MAX_PAPERCLIP_INGESTION_PROFILE_SOURCE_COUNT}.`);
  }
  for (const scope of input.profile.sourceScopes) {
    if (scope.kind === "company_all" && input.space.slug !== DEFAULT_SPACE_SLUG) {
      throw new Error("Everything in the company is only available on the default wiki space.");
    }
    if (scope.kind === "selected_projects") {
      if (scope.projectIds.length > MAX_PAPERCLIP_PROFILE_SELECTED_PROJECTS) {
        throw new Error(`selected_projects exceeds the hard cap of ${MAX_PAPERCLIP_PROFILE_SELECTED_PROJECTS}.`);
      }
      for (const projectId of scope.projectIds) {
        const project = await ctx.projects.get(projectId, input.companyId);
        if (!project) throw new Error(`Project belongs to another company or does not exist: ${projectId}`);
      }
    }
    if (scope.kind === "root_issues") {
      if (scope.issueIds.length > MAX_PAPERCLIP_PROFILE_ROOT_ISSUES) {
        throw new Error(`root_issues exceeds the hard cap of ${MAX_PAPERCLIP_PROFILE_ROOT_ISSUES}.`);
      }
      for (const issueId of scope.issueIds) {
        const issue = await ctx.issues.get(issueId, input.companyId);
        if (!issue) throw new Error(`Issue belongs to another company or does not exist: ${issueId}`);
      }
    }
  }
}

export async function updatePaperclipIngestionProfile(ctx: PluginContext, input: {
  companyId: string;
  wikiId?: string | null;
  spaceSlug?: string | null;

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