§15.10.

Error Codes

15.10.1. Session Termination Error Codes

Table 17
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_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 14

15.10.2. REQUEST_ERROR Codes

Table 18
Name Code Specification
INTERNAL_ERROR 0x0 Section 10.6
UNAUTHORIZED 0x1 Section 10.6
TIMEOUT 0x2 Section 10.6
NOT_SUPPORTED 0x3 Section 10.6
MALFORMED_AUTH_TOKEN 0x4 Section 10.6
EXPIRED_AUTH_TOKEN 0x5 Section 10.6
GOING_AWAY 0x6 Section 10.6
EXCESSIVE_LOAD 0x9 Section 10.6
DOES_NOT_EXIST 0x10 Section 10.6
INVALID_RANGE 0x11 Section 10.6
MALFORMED_TRACK 0x12 Section 10.6
DUPLICATE_SUBSCRIPTION 0x19 Section 10.6
UNINTERESTED 0x20 Section 10.6
PREFIX_OVERLAP 0x30 Section 10.6
NAMESPACE_TOO_LARGE 0x31 Section 10.6
INVALID_JOINING_REQUEST_ID 0x32 Section 10.6
UNSUPPORTED_EXTENSION 0x33 Section 10.6
REDIRECT 0x34 Section 10.6
Reserved for greasing 0x7f * N + 0x9D Section 14

15.10.3. PUBLISH_DONE Codes

Table 19
Name Code Specification
INTERNAL_ERROR 0x0 Section 10.11
UNAUTHORIZED 0x1 Section 10.11
TRACK_ENDED 0x2 Section 10.11
SUBSCRIPTION_ENDED 0x3 Section 10.11
GOING_AWAY 0x4 Section 10.11
TOO_FAR_BEHIND 0x5 Section 10.11
EXPIRED 0x6 Section 10.11
UPDATE_FAILED 0x8 Section 10.11
EXCESSIVE_LOAD 0x9 Section 10.11
MALFORMED_TRACK 0x12 Section 10.11
Reserved for greasing 0x7f * N + 0x9D Section 14

15.10.4. Stream Reset Error Codes

Table 20
Name Code Specification
INTERNAL_ERROR 0x0 Section 3.3.3
CANCELLED 0x1 Section 3.3.3
DELIVERY_TIMEOUT 0x2 Section 3.3.3
SESSION_CLOSED 0x3 Section 3.3.3
GOING_AWAY 0x4 Section 3.3.3
TOO_FAR_BEHIND 0x5 Section 3.3.3
UNKNOWN_OBJECT_STATUS 0x6 Section 3.3.3
EXPIRED_AUTH_TOKEN 0x7 Section 3.3.3
EXCESSIVE_LOAD 0x9 Section 3.3.3
MALFORMED_TRACK 0x12 Section 3.3.3
Reserved for greasing 0x7f * N + 0x9D Section 14

This is one section of the MoQT specification, rendered per-section for quick reference and citation. The authoritative text is draft-ietf-moq-transport-18 at the IETF.