Previewing a Crystal report throws a 'Crystal Decisions Shared Util' exception on a 64-bit Crystal Web Service / Oracle Database Client / runtime setup, even after reinstalling CWS, with logs showing no clear underlying cause — what's worth checking?

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Answer

Check for a mismatched 32-bit vs 64-bit component dependency — in one confirmed case, a reference to the log4net .dll was the actual culprit, and installing the corresponding 32-bit components alongside the existing 64-bit CWS/runtime/client setup resolved the exception. A fully 64-bit-looking CWS installation can still have an individual dependency expecting a 32-bit counterpart, which won't necessarily show up clearly in the report-specific logs.

Documentation-based answer. Confirm the product and release before applying it. This answer has not been verified in an IFS environment.

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