Sybase Adaptive Server Anywhere Reference page 745

Probable cause
Can only describe a SELECT statement
Probable cause
Cannot access file '%1' -- %2
Probable cause
You attempted to call a stored procedure that, in turn, calls a function in a
dynamically loaded module. The operating system on which this stored
procedure was called does not support such an action.
Item Value
SQLCODE -160
Constant SQLE_DESCRIBE_NONSELECT
SQLSTATE 07005
Sybase error code 3819
ODBC 2 State OK
ODBC 3 State OK
In the C language interface, you attempted to describe the select list of a
statement other than a SELECT statement.
Item Value
SQLCODE -602
Constant SQLE_CANNOT_ACCESS_FILE
SQLSTATE WL002
Sybase error code 13670
ODBC 2 State ERROR
ODBC 3 State ERROR
Parameter 1 The filename
Parameter 2 The cause of the error
A file cannot be accessed. For example, a file referenced by LOAD TABLE
does not exist or cannot be read. The message will contain the reason for the
error.
CHAPTER 10 Database Error Messages
727