IBM Support

Information Server DataStage "Error when checking operator: Could not find input field 'field_name'"

Troubleshooting


Problem

Attempts to call a SQL function within a select clause in a Connector stage results in "Error when checking operator: Could not find input field 'field_name' "when using IBM InfoSphere Information Server DataStage.

Symptom

"Error when checking operator: Could not find input field 'field_name' "

This error is usually received after migrating from an Enterprise Stage to a Connector Stage.

[{"Product":{"code":"SSVSEF","label":"IBM InfoSphere DataStage"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"--","Platform":[{"code":"PF033","label":"Windows"},{"code":"PF027","label":"Solaris"},{"code":"PF016","label":"Linux"},{"code":"PF010","label":"HP-UX"},{"code":"PF002","label":"AIX"}],"Version":"8.7;8.5;8.1","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]

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Document Information

Modified date:
25 April 2025

UID

swg21591396