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26. errors: errors

Last updated on Aug 05, 2025

Error Codes

Table of Contents

When developing your application with Epycbyte, you may encounter a variety of errors.

They can reflect issues that happen with external providers such as domain services or internal problems at the level of your application's deployment or your usage of platform features.

BODY_NOT_A_STRING_FROM_FUNCTION Function 502

MIDDLEWARE_INVOCATION_FAILED Function 500

MIDDLEWARE_INVOCATION_TIMEOUT Function 504

EDGE_FUNCTION_INVOCATION_FAILED Function 500

INTERNAL_EDGE_FUNCTION_INVOCATION_FAILED Internal 500

INTERNAL_EDGE_FUNCTION_INVOCATION_TIMEOUT Internal 504

EDGE_FUNCTION_INVOCATION_TIMEOUT Function 504

FUNCTION_INVOCATION_FAILED Function 500

FUNCTION_INVOCATION_TIMEOUT Function 504

FUNCTION_PAYLOAD_TOO_LARGE Function 413

FUNCTION_RESPONSE_PAYLOAD_TOO_LARGE Function 500

FUNCTION_RATE_LIMIT Function 429

INTERNAL_FUNCTION_INVOCATION_FAILED Internal 500

INTERNAL_FUNCTION_INVOCATION_TIMEOUT Internal 504

INTERNAL_FUNCTION_NOT_FOUND Internal 500

INTERNAL_FUNCTION_NOT_READY Internal 500

NO_RESPONSE_FROM_FUNCTION Function 502

DEPLOYMENT_BLOCKED Deployment 403

DEPLOYMENT_PAUSED Deployment 503

DEPLOYMENT_DISABLED Deployment 402

DEPLOYMENT_NOT_FOUND Deployment 404

NOT_FOUND Deployment 404

DEPLOYMENT_DELETED Deployment 410

DEPLOYMENT_NOT_READY_REDIRECTING Deployment 303

INTERNAL_DEPLOYMENT_FETCH_FAILED Internal 500

INTERNAL_UNARCHIVE_FAILED Internal 500

INFINITE_LOOP_DETECTED Runtime 508

INTERNAL_UNEXPECTED_ERROR Internal 500

DNS_HOSTNAME_EMPTY DNS 502

DNS_HOSTNAME_NOT_FOUND DNS 502

DNS_HOSTNAME_RESOLVE_FAILED DNS 502

DNS_HOSTNAME_RESOLVED_PRIVATE DNS 404

DNS_HOSTNAME_SERVER_ERROR DNS 502

TOO_MANY_FORKS Routing 502

TOO_MANY_FILESYSTEM_CHECKS Routing 502

INTERNAL_ROUTER_CANNOT_PARSE_PATH Internal 500

ROUTER_CANNOT_MATCH Routing 502

ROUTER_EXTERNAL_TARGET_CONNECTION_ERROR Routing 502

ROUTER_EXTERNAL_TARGET_ERROR Routing 502

ROUTER_TOO_MANY_HAS_SELECTIONS Routing 502

ROUTER_EXTERNAL_TARGET_HANDSHAKE_ERROR Routing 502

INVALID_REQUEST_METHOD Request 405

MALFORMED_REQUEST_HEADER Request 400

REQUEST_HEADER_TOO_LARGE Request 431

INTERNAL_STATIC_REQUEST_FAILED Internal 502

RESOURCE_NOT_FOUND Request 404

RANGE_END_NOT_VALID Request 416

RANGE_GROUP_NOT_VALID Request 416

RANGE_MISSING_UNIT Request 416

RANGE_START_NOT_VALID Request 416

RANGE_UNIT_NOT_SUPPORTED Request 416

TOO_MANY_RANGES Request 416

URL_TOO_LONG Request 414

INVALID_IMAGE_OPTIMIZE_REQUEST Image 400

INTERNAL_OPTIMIZED_IMAGE_REQUEST_FAILED Internal 500

OPTIMIZED_EXTERNAL_IMAGE_REQUEST_FAILED Image 502

OPTIMIZED_EXTERNAL_IMAGE_REQUEST_INVALID Image 502

OPTIMIZED_EXTERNAL_IMAGE_REQUEST_UNAUTHORIZED Image 502

OPTIMIZED_EXTERNAL_IMAGE_TOO_MANY_REDIRECTS Image 502

FALLBACK_BODY_TOO_LARGE Cache 502

INTERNAL_CACHE_ERROR Internal 500

INTERNAL_CACHE_KEY_TOO_LONG Internal 500

INTERNAL_CACHE_LOCK_FULL Internal 500

INTERNAL_CACHE_LOCK_TIMEOUT Internal 500

INTERNAL_MISSING_RESPONSE_FROM_CACHE Internal 500