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Unknown error number -50

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A nice problem for a Friday afternoon...

When attempting to submit data changes, we obtain this error "Data Entry Error:... unknown error number -50"

We are using MS Explorer 5.1

Use to work up until yesterday...

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Did you just upgrade your web companion? This is a new error that was added to the latest version of the web companion.

This should help:

Error -50 and -new

The Web Companion for FileMaker Pro 5.0 added functionality allowing one to edit any related record or portal row, an improvement over FileMaker Pro 4.0 and 4.1 which only allowed editing the first related record or portal row.

This new functionality requires a slight change to the syntax used when making a link that creates a new record containing related fields..

The link below would create a new record in the database named "Employees.fp5" which contains a related field, "PhoneNumber", from a relationship named "Phone".


After updating to Web Companion 5.0v5 and 5.0v6, the same link should include a ".0" after the name of the related field to tell the Web Companion that we intend to edit the "first" related record, which in this case is the one being created by the action.


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There has been no change. We were and are still using FM 5.0v3. I have to admit I don't understand your explanation. How do I check what version of Web Companion we are using?

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