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"Error 1023 ... A lookup operation is being executed against lookup table" when importing data from flat file (CSV)

Troubleshooting


Problem

User imports data from a flat file (for example CSV or TXT), using an import specification.

Afterwards, user opens the log report. There are many similar errors in there.

Symptom

image-20181102093338-1

Error No. 1023 ... A lookup operation is being executed against lookup table XYZ

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SS9S6B","label":"IBM Cognos Controller"},"Component":"","Platform":[{"code":"PF033","label":"Windows"}],"Version":"All Versions","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSMRTZ","label":"IBM Cognos Controller on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]

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Document Information

Modified date:
09 May 2025

UID

ibm10738353