Oracle : Ошибка ORA-22993

"specified input amount is greater than actual source amount"
*Cause: (1) For LOB write, the amount of data received is different
from the amount that was indicated would be sent. (2) For
LOB copy and loadfromfile, the end of the source LOB/FILE
value was reached before the specified input amount was
*Action: (1) will happen when using OCI's piecewise mechanism with polling
or with a callback function. Modify the code either to send
the amount specified or to pass 0 as the input amount so that any
amount of data can be sent. (2) will happen if the specified
input amount is too large for the source LOB/FILE given the
starting source offset. Either decrease the starting source
offset, or decrease the amount to copy/load.

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