Data Transformation Engine Return Codes and Errors Reference Guide
Chapter 5 – Maps  Map Execution Error and Warning Messages 
Return Code  Message 
17  Disk read error 
An attempt may have been made to access a file on a shared 
resource that is not accessible. Also, check the amount of available 
disk space. 
18*  Page usage count error 
Your data mapped correctly; however, an internal paging problem 
exists. Contact Mercator Technical Support. 
19  Internal calling error 
Contact Mercator Technical Support. 
20  Reopen file failed 
Your map did not run correctly. Contact Mercator Technical 
Support. 
21*  Input valid but unknown data found 
Enough of the input data to conform to the card definition was 
recognized, but there was more data at the end of the input 
stream. Enable the Trace Input setting, re-run the map and read 
the map trace file (.mtr). For an explanation of the trace file, see 
the Map Designer Reference Guide. 
22  Page size too small 
Increase the page size or decrease the number of types in the 
type tree that are used to define the input. 
23  Unable to reuse work file 
Use the same page settings that were used when you created the 
existing work file. For information about page settings, see the 
Map Designer Reference Guide. 
24 Database error 
A problem was encountered attempting to write to an output 
database. Read the database trace file (.dbl) for information about 
possible causes. 
25  File attribute error 
When running an AS/400 Command Server, if you use the OS/400 
data definition to create a file, check the definition of the output 
card to see if it matches. 










