3089089 - Error 'Facts could not be loaded' shows when checking a model content - SAP Analytics Cloud

• Error 'Facts could not be loaded' appears when checking the content of a model based on an import connection.
• Below error is recorded on the Chrome developer tool at the same time:

[Error] Server: (#42014) Caught exception : exception 70002620: executor: plan operation failed

\$message\$=

executor: plan operation failed; error during currency/unit conversion, exception 70000000: No error; \$message\$=Conversion( "SignedDataConversion" ), row 2: could not determine valid conversion rate for value(s) xxx from unit 'A' to unit 'B' on date 2021-05-01 00:00:00.0000000 for conversion_type 'Version\$Average\$C21

SAP Analytics Cloud (SAC) 2021.x.x

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