§13.3.

Error Codes

13.3.1. Session Termination Error Codes

Table 11
Name Code Specification
NO_ERROR 0x0 Section 3.4
INTERNAL_ERROR 0x1 Section 3.4
UNAUTHORIZED 0x2 Section 3.4
PROTOCOL_VIOLATION 0x3 Section 3.4
INVALID_REQUEST_ID 0x4 Section 3.4
DUPLICATE_TRACK_ALIAS 0x5 Section 3.4
KEY_VALUE_FORMATTING_ERROR 0x6 Section 3.4
TOO_MANY_REQUESTS 0x7 Section 3.4
INVALID_PATH 0x8 Section 3.4
MALFORMED_PATH 0x9 Section 3.4
GOAWAY_TIMEOUT 0x10 Section 3.4
CONTROL_MESSAGE_TIMEOUT 0x11 Section 3.4
DATA_STREAM_TIMEOUT 0x12 Section 3.4
AUTH_TOKEN_CACHE_OVERFLOW 0x13 Section 3.4
DUPLICATE_AUTH_TOKEN_ALIAS 0x14 Section 3.4
VERSION_NEGOTIATION_FAILED 0x15 Section 3.4
MALFORMED_AUTH_TOKEN 0x16 Section 3.4
UNKNOWN_AUTH_TOKEN_ALIAS 0x17 Section 3.4
EXPIRED_AUTH_TOKEN 0x18 Section 3.4
INVALID_AUTHORITY 0x19 Section 3.4
MALFORMED_AUTHORITY 0x1A Section 3.4

13.3.2. REQUEST_ERROR Codes

Table 12
Name Code Specification
INTERNAL_ERROR 0x0 Section 9.8
UNAUTHORIZED 0x1 Section 9.8
TIMEOUT 0x2 Section 9.8
NOT_SUPPORTED 0x3 Section 9.8
MALFORMED_AUTH_TOKEN 0x4 Section 9.8
EXPIRED_AUTH_TOKEN 0x5 Section 9.8
DOES_NOT_EXIST 0x10 Section 9.8
INVALID_RANGE 0x11 Section 9.8
MALFORMED_TRACK 0x12 Section 9.8
UNINTERESTED 0x20 Section 9.8
PREFIX_OVERLAP 0x30 Section 9.8
INVALID_JOINING_REQUEST_ID 0x32 Section 9.8
UNKNOWN_STATUS_IN_RANGE 0x33 Section 9.8

13.3.3. PUBLISH_DONE Codes

Table 13
Name Code Specification
INTERNAL_ERROR 0x0 Section 9.15
UNAUTHORIZED 0x1 Section 9.15
TRACK_ENDED 0x2 Section 9.15
SUBSCRIPTION_ENDED 0x3 Section 9.15
GOING_AWAY 0x4 Section 9.15
EXPIRED 0x5 Section 9.15
TOO_FAR_BEHIND 0x6 Section 9.15
MALFORMED_TRACK 0x7 Section 9.15
UPDATE_FAILED 0x8 Section 9.15

13.3.4. Data Stream Reset Error Codes

Table 14
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

This is one section of the MoQT specification, rendered per-section for quick reference and citation. The authoritative text is draft-ietf-moq-transport-15 at the IETF.