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This action cannot be performed because the field is not modifiable error message

Question asked by samjs on Jan 3, 2013
Latest reply on Jan 3, 2013 by samjs

I've created at Student database and on the layout I've created a portal to display all zipcodes and cities from another table to be able to edit or add new ones. When trying to add a new city, I get the error message,

This action cannot be performed because the field is not modifiable error message.

 

  • My relationship is based on 2 calculation fields with the word "key".
  • My relationship allows to add and delete records.
  • I can place my curser in the field and type in it but when I exit the field I get the error message.

 

I've never experienced this error when creating a "key" relationship. I'm using Filemaker 12.

Any help would be greatly appreciated.

Example.jpg

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