SAP ABAP Program MS38OF21 (ABAP-Query: Join-spezifische Routinen) is using

• Table/Structure Field (78)
• Function Module (3)
• Message Number (23)
• Table (7)
• View (2)

#	Object Type	Object Name	Object Description	Note
1	Message Number	AQ - 508	Index & has already been used
2	Message Number	AQ - 524	Reference field: &
3	Message Number	AQ - 523	& has no reference field
4	Message Number	AQ - 521	Table is already being used
5	Message Number	AQ - 519	Unable to delete the first table of a join
6	Message Number	AQ - 517	Field with Dictionary type & not found
7	Message Number	AQ - 516	Field with domain & not found
8	Message Number	AQ - 514	Place the cursor on a link
9	Message Number	AQ - 513	No fields linked
10	Message Number	AQ - 512	Unpaired indexes are not copied
11	Message Number	AQ - 511	The index & is only assigned once
12	Message Number	AQ - 509	Fields with the index & cannot be linked
13	Message Number	AQ - 112	Table & is not in the ABAP Dictionary
14	Message Number	AQ - 507	Place the cursor on a condition
15	Message Number	AQ - 506	Place the cursor on a table
16	Message Number	AQ - 505	Select two tables
17	Message Number	AQ - 504	The link condition already exists
18	Message Number	AQ - 503	Define other tables first
19	Message Number	AQ - 502	You are not allowed to delete all tables
20	Message Number	AQ - 501	Table & cannot be used in a join
21	Message Number	AQ - 499	Table & is still being used
22	Message Number	AQ - 161	Place the cursor on a field
23	Message Number	AQ - 160	'&' not found