If you are placing two different types of fields/expressions in the same report expression AND combining them using the plus sign concantenator [+], you will receive the following error:
To correct this error, you must use the appropriate function to turn the date or number type field into a character expression (e.g. DTOC, STR, or Transform), e.g.:
"Our records show you made a payment on"+dtoc(pydate)
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