§14.5.

Error Codes

14.5.1. Session Termination Error Codes

Table 13
Name Code Specification
NO_ERROR 0x0 Section 3.5
INTERNAL_ERROR 0x1 Section 3.5
UNAUTHORIZED 0x2 Section 3.5
PROTOCOL_VIOLATION 0x3 Section 3.5
INVALID_REQUEST_ID 0x4 Section 3.5
DUPLICATE_TRACK_ALIAS 0x5 Section 3.5
KEY_VALUE_FORMATTING_ERROR 0x6 Section 3.5
INVALID_REQUIRED_REQUEST_ID 0x7 Section 3.5
INVALID_PATH 0x8 Section 3.5
MALFORMED_PATH 0x9 Section 3.5
GOAWAY_TIMEOUT 0x10 Section 3.5
CONTROL_MESSAGE_TIMEOUT 0x11 Section 3.5
DATA_STREAM_TIMEOUT 0x12 Section 3.5
AUTH_TOKEN_CACHE_OVERFLOW 0x13 Section 3.5
DUPLICATE_AUTH_TOKEN_ALIAS 0x14 Section 3.5
VERSION_NEGOTIATION_FAILED 0x15 Section 3.5
MALFORMED_AUTH_TOKEN 0x16 Section 3.5
UNKNOWN_AUTH_TOKEN_ALIAS 0x17 Section 3.5
EXPIRED_AUTH_TOKEN 0x18 Section 3.5
INVALID_AUTHORITY 0x19 Section 3.5
MALFORMED_AUTHORITY 0x1A Section 3.5
Reserved for greasing 0x7f * N + 0x9D Section 13

14.5.2. REQUEST_ERROR Codes

Table 14
Name Code Specification
INTERNAL_ERROR 0x0 Section 9.7
UNAUTHORIZED 0x1 Section 9.7
TIMEOUT 0x2 Section 9.7
NOT_SUPPORTED 0x3 Section 9.7
MALFORMED_AUTH_TOKEN 0x4 Section 9.7
EXPIRED_AUTH_TOKEN 0x5 Section 9.7
GOING_AWAY 0x6 Section 9.7
EXCESSIVE_LOAD 0x9 Section 9.7
DOES_NOT_EXIST 0x10 Section 9.7
INVALID_RANGE 0x11 Section 9.7
MALFORMED_TRACK 0x12 Section 9.7
DUPLICATE_SUBSCRIPTION 0x19 Section 9.7
UNINTERESTED 0x20 Section 9.7
PREFIX_OVERLAP 0x30 Section 9.7
NAMESPACE_TOO_LARGE 0x31 Section 9.7
INVALID_JOINING_REQUEST_ID 0x32 Section 9.7
Reserved for greasing 0x7f * N + 0x9D Section 13

14.5.3. PUBLISH_DONE Codes

Table 15
Name Code Specification
INTERNAL_ERROR 0x0 Section 9.13
UNAUTHORIZED 0x1 Section 9.13
TRACK_ENDED 0x2 Section 9.13
SUBSCRIPTION_ENDED 0x3 Section 9.13
GOING_AWAY 0x4 Section 9.13
EXPIRED 0x5 Section 9.13
TOO_FAR_BEHIND 0x6 Section 9.13
UPDATE_FAILED 0x8 Section 9.13
EXCESSIVE_LOAD 0x9 Section 9.13
MALFORMED_TRACK 0x12 Section 9.13
Reserved for greasing 0x7f * N + 0x9D Section 13

14.5.4. Data Stream Reset Error Codes

Table 16
Name Code Specification
INTERNAL_ERROR 0x0 Section 10.4.3
CANCELLED 0x1 Section 10.4.3
DELIVERY_TIMEOUT 0x2 Section 10.4.3
SESSION_CLOSED 0x3 Section 10.4.3
UNKNOWN_OBJECT_STATUS 0x4 Section 10.4.3
TOO_FAR_BEHIND 0x5 Section 10.4.3
EXCESSIVE_LOAD 0x9 Section 10.4.3
MALFORMED_TRACK 0x12 Section 10.4.3
Reserved for greasing 0x7f * N + 0x9D Section 13

This is one section of the MoQT specification, rendered per-section for quick reference and citation. The authoritative text is draft-ietf-moq-transport-17 at the IETF.