List of SRU diagnostics that are known to YAZ.
| Code | Text | 
|---|---|
| 1 | Permanent system error | 
| 2 | System temporarily unavailable | 
| 3 | Authentication error | 
| 4 | Unsupported operation | 
| 5 | Unsupported version | 
| 6 | Unsupported parameter value | 
| 7 | Mandatory parameter not supplied | 
| 8 | Unsupported parameter | 
| 10 | Query syntax error | 
| 11 | Unsupported query type | 
| 12 | Too many characters in query | 
| 13 | Invalid or unsupported use of parentheses | 
| 14 | Invalid or unsupported use of quotes | 
| 15 | Unsupported context set | 
| 16 | Unsupported index | 
| 17 | Unsupported combination of index and context set | 
| 18 | Unsupported combination of indexes | 
| 19 | Unsupported relation | 
| 20 | Unsupported relation modifier | 
| 21 | Unsupported combination of relation modifers | 
| 22 | Unsupported combination of relation and index | 
| 23 | Too many characters in term | 
| 24 | Unsupported combination of relation and term | 
| 25 | Special characters not quoted in term | 
| 26 | Non special character escaped in term | 
| 27 | Empty term unsupported | 
| 28 | Masking character not supported | 
| 29 | Masked words too short | 
| 30 | Too many masking characters in term | 
| 31 | Anchoring character not supported | 
| 32 | Anchoring character in unsupported position | 
| 33 | Combination of proximity/adjacency and masking characters not supported | 
| 34 | Combination of proximity/adjacency and anchoring characters not supported | 
| 35 | Term contains only stopwords | 
| 36 | Term in invalid format for index or relation | 
| 37 | Unsupported boolean operator | 
| 38 | Too many boolean operators in query | 
| 39 | Proximity not supported | 
| 40 | Unsupported proximity relation | 
| 41 | Unsupported proximity distance | 
| 42 | Unsupported proximity unit | 
| 43 | Unsupported proximity ordering | 
| 44 | Unsupported combination of proximity modifiers | 
| 45 | Prefix assigned to multiple identifiers | 
| 46 | Unsupported boolean modifier | 
| 47 | Cannot process query; reason unknown | 
| 48 | Query feature unsupported | 
| 49 | Masking character in unsupported position | 
| 50 | Result sets not supported | 
| 51 | Result set does not exist | 
| 52 | Result set temporarily unavailable | 
| 53 | Result sets only supported for retrieval | 
| 54 | Retrieval may only occur from an existing result set | 
| 55 | Combination of result sets with search terms not supported | 
| 56 | Only combination of single result set with search terms supported | 
| 57 | Result set created but no records available | 
| 58 | Result set created with unpredictable partial results available | 
| 59 | Result set created with valid partial results available | 
| 60 | Result set not created: too many matching records | 
| 61 | First record position out of range | 
| 62 | Negative number of records requested | 
| 63 | System error in retrieving records | 
| 64 | Record temporarily unavailable | 
| 65 | Record does not exist | 
| 66 | Unknown schema for retrieval | 
| 67 | Record not available in this schema | 
| 68 | Not authorised to send record | 
| 69 | Not authorised to send record in this schema | 
| 70 | Record too large to send | 
| 71 | Unsupported record packing | 
| 72 | XPath retrieval unsupported | 
| 73 | XPath expression contains unsupported feature | 
| 74 | Unable to evaluate XPath expression | 
| 80 | Sort not supported | 
| 81 | Unsupported sort type | 
| 82 | Unsupported sort sequence | 
| 83 | Too many records to sort | 
| 84 | Too many sort keys to sort | 
| 85 | Duplicate sort keys | 
| 86 | Cannot sort: incompatible record formats | 
| 87 | Unsupported schema for sort | 
| 88 | Unsupported path for sort | 
| 89 | Path unsupported for schema | 
| 90 | Unsupported direction value | 
| 91 | Unsupported case value | 
| 92 | Unsupported missing value action | 
| 93 | Sort ended due to missing value | 
| 100 | Explain not supported | 
| 101 | Explain request type not supported (SOAP vs GET) | 
| 102 | Explain record temporarily unavailable | 
| 110 | Stylesheets not supported | 
| 111 | Unsupported stylesheet | 
| 120 | Response position out of range | 
| 121 | Too many terms requested | 
| 235 | Database does not exist | 
| 236 | Access to specified database denied | 
| 1015 | Init/AC: Maximum number of simultaneous sessions for Userid | 
| 1074 | Proxy failure |