Message Number list used by SAP ABAP Function Module TR_REQ_CHECK_KEY_STR (Prüfe einen Schlüsseleintrag in einem Auftrag)

#	Object Type	Object Name	Object Description

1	Message Number	TK - 287	Special character "&" in generic key
2	Message Number	TK - 552	Table & belongs to delivery class "W" (system table)
3	Message Number	TK - 514	Internal error occurred when calling a CTS interface
4	Message Number	TK - 420	Request/task &1 (&2) is assigned to a different client
5	Message Number	TK - 320	Key entry for table &1 may only be generic
6	Message Number	TK - 319	Fill table key for table &1 only up to position &2 only
7	Message Number	TK - 318	No key fields are defined for table &1
8	Message Number	TK - 316	Object &1 is not a database table
9	Message Number	TK - 296	Only a final asterisk can be used as a generic entry
10	Message Number	TK - 295	& is not a valid language
11	Message Number	TK - 278	Table key (class &3) is in the customer namespace
12	Message Number	TR - 080	You cannot transport client-specific objects
13	Message Number	TR - 570	Generic symbol '*' inserted in key
14	Message Number	TR - 583	Enter key generically
15	Message Number	TR - 584	Invalid value in reference field (internal syntax error)
16	Message Number	TR - 586	Object key values invalid (internal syntax error)
17	Message Number	TR - 587	To transport table contents, key must be filled
18	Message Number	TR - 588	Key entry not possible with specified function
19	Message Number	TR - 590	Reference fields of an object key are not filled (internal syntax error)