c# - Invalid field number in Crystal report -


while loading crystal report using c# got error "load report failed" , inner error "invalid field number". error occurs in following line of code 

 oreportdocument.load(server.mappath(convert.tostring(objhashtable["requestfile"])));

load report failed workaround following

  1. right click on report , select verify database update report , replace previous report one
  2. when report file name spell not match or file not exist.

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