Leantime/leantime · error · Exception

Parameter $name can't be null

Error message

Parameter $name can't be null

What it means

Error "Parameter $name can't be null" thrown in Leantime/leantime.

Source

Thrown at app/Domain/Api/Controllers/Jsonrpc.php:454

                if ($required) {
                    throw new Exception("Required Parameter Missing: $name");
                }

                $filtered_parameters[$position] = $methodParam->getDefaultValue();

                continue;
            }

            // check if type is correct or can be correct
            if ($methodParam->hasType()) {
                if (in_array($type, [gettype($params[$name]), 'mixed'])) {
                    $filtered_parameters[$position] = $params[$name];

                    continue;
                }

                if ($params[$name] === null && ! $type->allowsNull()) {
                    throw new Exception("Parameter $name can't be null");
                }

                try {
                    $filtered_parameters[$position] = cast($params[$name], $type->getName());
                } catch (\Throwable $e) {
                    Log::error($e);
                    throw new \Exception("Could not cast parameter: $name. See server logs for more details.");
                }
            }

            if (! isset($filtered_parameters[$position])) {
                $filtered_parameters[$position] = $params[$name];
            }
        }

        // make sure it is in the right order
        ksort($filtered_parameters);

View on GitHub (pinned to 9a9f49f100)

When it happens

Trigger: Thrown at app/Domain/Api/Controllers/Jsonrpc.php:454 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Leantime/leantime@9a9f49f100 (2026-08-21). Data as JSON: /api/errors/b06c32633c03274f. Report an issue: GitHub.