klingai-common-errors

# Kling AI Common Errors ## Overview Complete error reference for the Kling AI API. Covers HTTP status codes, task-level failures, JWT issues, and generation-specific problems with tested solutions. ## HTTP Error Codes | Code | Error | Cause | Solution | |------|-------|-------|----------| | `400` | Bad Request | Invalid parameters, malformed JSON | Validate all required fields; check `model_name` is valid | | `401` | Unauthorized | Invalid/expired JWT token | Regenerate JWT; verify AK/SK; check `exp` claim | | `402` | Payment Required | Insufficient credits | Top up API resource pack or subscription | | `403` | Forbidden | Content policy violation or API disabled | Review prompt against content policy; enable API access | | `404` | Not Found | Invalid task_id or wrong endpoint | Verify task_id; check endpoint path spelling | | `429` | Too Many Requests | Rate limit exceeded | Implement exponential backoff (see pattern below) | | `500` | Internal Server Error | Kling platform issue | Retry after 30s; if persistent, check status page | | `502` | Bad Gateway | Upstream service unavailable | Retry with backoff; typically transient | | `503` | Service Unavailable | System maintenance | Wait and retry; check announcements | ## Task-Level Failures When HTTP returns `200` but `task_status` is `"failed"`: | `task_status_msg` | Cause | Solution | |-------------------|-------|----------| | Content policy violation | Prompt contains restricted content | Remove violent, adult, or ...