milvus/docs/developer_guides/appendix_d_error_code.md

Appendix D. Error Code

ErrorCode

enum ErrorCode {
    SUCCESS = 0;
    UNEXPECTED_ERROR = 1;
    CONNECT_FAILED = 2;
    PERMISSION_DENIED = 3;
    COLLECTION_NOT_EXISTS = 4;
    ILLEGAL_ARGUMENT = 5;
    ILLEGAL_DIMENSION = 7;
    ILLEGAL_INDEX_TYPE = 8;
    ILLEGAL_COLLECTION_NAME = 9;
    ILLEGAL_TOPK = 10;
    ILLEGAL_ROWRECORD = 11;
    ILLEGAL_VECTOR_ID = 12;
    ILLEGAL_SEARCH_RESULT = 13;
    FILE_NOT_FOUND = 14;
    META_FAILED = 15;
    CACHE_FAILED = 16;
    CANNOT_CREATE_FOLDER = 17;
    CANNOT_CREATE_FILE = 18;
    CANNOT_DELETE_FOLDER = 19;
    CANNOT_DELETE_FILE = 20;
    BUILD_INDEX_ERROR = 21;
    ILLEGAL_NLIST = 22;
    ILLEGAL_METRIC_TYPE = 23;
    OUT_OF_MEMORY = 24;

    // internal error code.
    DD_REQUEST_RACE = 1000;
}