Return Codes from LOCATE

The LOCATE return codes have the following meaning:

Table 1. Return codes from LOCATE to IKJEHCIR
Return code dec (Hex)	Meaning
0(0)	The request was successfully completed.
4(4)	The required catalog does not exist, it cannot be opened, or there is a closed chain of user catalog pointers.
8(8)	One of the following occurred: The entry was not found. Register 0 contains the catalog return code. The user is not authorized to perform this operation. Register 0 contains hexadecimal 38. A generation data group (GDG) alias was found. Register 0 contains the number of valid index levels. The alias name was replaced by the true name.
12(C)	Obsolete. No longer possible.
16(10)	Obsolete. No longer possible.
20(14)	A syntax error exists in the name.
24(18)	One of the following occurred: Permanent I/O error occurred. Register 0 contains the catalog return code. Non-zero ESTAE return code. Error in parameter list.
28(1C)	Obsolete. No longer possible.
44(2C)	The length of the work area (AREALN) is not large enough to contain the output data returned by LOCATE.
Note: Register 0 data described above will NOT be returned to the caller of IKJEHCIR.

For additional LOCATE return codes, see the description of message IDC3009I in z/OS MVS System Messages, Vol 6 (GOS-IEA).