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Maplesoft BISMaplesoft BIS 

Communication with Sales Force fails after few hours

We have an application in c# that uses the sales force api to communicate with sales force. When the code is compiled and published, it works fine. Then after a couple of hours or a day, the code generates the following error:

INVALID_FIELD: No such column 'CurrencyIsoCode' on entity 'Opportunity'. If you are attempting to use a custom field, be sure to append the '__c' after the custom field name. Please reference your WSDL or the describe call for the appropriate names.

To get rid of the error, all we need to do is re-compile the code and publish it again. It will work fine for a couple of hours, then it will generate the exact same error mentioned above.

We now have two applications that suffer from the exact same issue. We have many other applications that communicate with Sales Force and they don't have this problem!!!

Please advise
AcronymAcronym
Hmm...  That is very strange.  Is there a way you might be able to log the soap requests and responses for further analysis?