D7-access key problem



D7 ACCESS
I have a master/detail relation with access
On the detail table, if I want to delete one record in the detail
which is more than one time in the details table, I have the exception
"Information on the Key column insuficiant or incorect.To many line are
affected"
But I have just 2 tables with indexe on the 2nd table only on the key fields
which is index with double possible.
Any Idea
Claude


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