DbColumn error with AS/400 DB2 ODBC

[jwysocki@xxxxxxxxxxxxxxxxxxxxxxxxx]

When trying to use the following formula in a button,
the error <Data Access Application Layer>Could not execute @db function
occurs. I am trying to provide a list of Item Numbers for the user to
choose from.
Any help is appreciated.
Release 5.0.2c, platform AS/400.

FIELD QHItem := @Prompt([OKCANCELLIST]; "Select an Item";
"Select an Item from the list below..."; "";
"":@DbColumn("ODBC":"NOCACHE";"MYAS400DSN";
"MyUserCode";"MyPassWord";"AS400Library.File";"FieldName"));All

TIA!


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