Copy the 32-bit DLL to C:\Windows\SysWOW64\
Select the appropriate function (e.g., IDAutomation_Code128 ) and wrap your data field: Example: IDAutomation_Code128(Table.Field) .
Troubleshooting u25idautomation.dll in Crystal Reports: A Complete Guide
: This is the most prevalent and often the most complex issue, directly tied to the evolution of Crystal Reports. Crystal Reports versions 2016 and earlier were 32-bit applications. Consequently, the u25idautomation.dll created for these versions was also 32-bit.