PROBLEM DESCRIPTION: Gen uses CALL EXTERNAL to call external web services. When a string field contains the "&" character, this is not correctly xml-encoded as "&". So the resulting xml for the soap request is not well-formed and the web service call fails.
This problem was reported in Case 00517042.
SYMPTOMS: Calling of external web services fails.
IMPACT: Action diagram with call external statement fails.
CIRCUMVENTION: In the string field replace & with "&"