Diagnosis
An error occurred when executing an external application from CATT.

System Response
The error codes have the following causes:
Error codes from CAT_EXTERNAL_EXECUTE:
1 NO_START_IN_BATCH
2 INVALID_FRONTEND
4 NO_PARAMFILE_AND_NO_EXECFILE
EXCEPTIONs from WS_QUERY:
11 INV_QUERY
12 NO_BATCH
13 FRONTEND_ERROR
14 OTHERS
EXCEPTIONS from WS_DOWNLOAD
21, 31 FILE_OPEN_ERROR
22, 32 FILE_WRITE_ERROR
23, 33 INVALID_FILESIZE
24, 34 INVALID_TABLE_WIDTH
25, 35 INVALID_TYPE
26, 36 NO_BATCH
27, 37 UNKNOWN_ERROR
28, 38 OTHERS
EXCEPTIONS from WS_EXECUTE:
41 FRONTEND_ERROR
42 NO_BATCH
43 PROG_NOT_FOUND
44 ILLEGAL_OPTION
45 OTHERS
EXCEPTIONS from WS_UPLOAD:
51 CONVERSION_ERROR
52 FILE_OPEN_ERROR
53 FILE_READ_ERROR
54 INVALID_TABLE_WIDTH
55 INVALID_TYPE
56 NO_BATCH
57 UNKNOWN_ERROR
58 OTHERS
EXCEPTIONS from external test tool:
81-100 EXECUTION ERROR

Procedure
1 An external application can only be executed online.
2 An external application can only be exected on a Windows
frontend.
4 There must be at least one parameter file or executable file
to be DOWNLOADed.
11-14 The EXCEPTIONs from WS_QUERY indicate that it was not possible
to find the specified path name on the computer.
Check the path and file settings on your computer.
21-28 The EXCEPTIONs from WS_DOWNLOAD indicate that a parameter file
DOWNLOAD error occurred. Check the path and file settings on
your computer.
31-38 The EXCEPTIONs from WS_DOWNLOAD indicate that a file
DOWNLOAD error occurred. Check the path and file settings on
your computer.
41-45 The EXCEPTIONs from WS_EXECUTE indicate that an error occurred
when EXECUTEing a specified file. Check the path and file
settings on your computer.
51-58 The EXCEPTIONs from WS_UPLOAD indicate that an error occurred
UPLOADing the parameter file, so that the intended EXPORT
parameter could not be passed. Check the path and file settings
on your computer.
81-100 These errors indicate the failure of the execution of a test
module by an external test tool.
Possible reasons:
1. The interface between the SAP System and the external
test tool is not properly setup in customizing.
2. The test case cannot be executed by this external test tool.
3. The external test tool is installed incorrectly or not at
all.
4. External test tool error.
The external test tool error code is the specified SAP error
code minus 81. Perform the test again and examine the error log
and the external test tool error code documentation.