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May 12, 2010 at 12:33 PM

Error during SQL execution

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Hi Experts,

We run a report which fails frequently with the below error. Could any one help me with the solution and reasons for this error.

Error during SQL execution: (DA0003): [Exception: DBD, ORA-01722: invalid number State: N/A] The following data providers have not been successfully refreshed: His. (DMA0007): []

Connection or SQL sentence error: (DA0005): [Exception: DBD, ORA-12535: TNS:operation timed out State: N/A] A connection required to refresh this document is unavailable. (DA0004): [] The following data providers have not been successfully refreshed: Reservations CW. (DMA0007): []

Many Thanks

Regards,

Syed