PRPC expecting columns for each property in external mapping
Pega shows an error when a class is mapped to a table that does not contain columns for each of the properties.
Steps to Reproduce
1. Create a class with external mapping to a table with fewer columns than there are properties.
2. Save the Object.
The root cause of this problem is defect/misconfiguration in the operating environment. Each property in a class needs to map to one and only one column. Additionally, the property names need to match the column names, and are case sensitive.
This issue is resolved by making the following change to the operating environment:
Add columns to the external table for each property (or removing properties without matching columns) and ensuring that all names match.
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