If you receive the following error when running an SSRS report –
“An exception of type MetdataException has occurred while performing the operation.”
– the issue most likely has to do with the AX datasource metadata. One such possible cause is an incomplete definition of a relationship on a table. For example, we ran into this issue when printing the Project Invoice Journals report. The report was not customized, but it turned out that the datasource table was customized by a previous implementation partner. A table relation was added to the ProjInvoiceJour table, which contained no lines. Fixing this relationship resolves the metadata issue.
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