Hi
I search for this error and i advice to check this strategiy in name the columns:

A valid column name must begin with a letter, be less than or equal to 30 characters, and consist of only alphanumeric characters and the special characters $, _, and #. If it contains other characters, then it must be enclosed in double quotation marks. It may not be a reserved word....

Thanks
Bashar Shannak
Maktoob Inc
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> ----- Original Message -----
> From: susanta "oracledba-ezmlmshield-x7252103.[Email address protected]
> To: LazyDBA Discussion "[Email address protected]
> Date: 05:52 AM
> Subject: Very Urgent(ORA-00904)
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> Hi,
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> When I run a process Some data is inserted in table but after some time
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> it is showing the error message ORA-00904->The column name entered is
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> either missing or invalid.
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> Plz tell how can I Solve It.
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