Sometimes, especially when editing records containing very important information, it makes sense to do so that values of some fields could not be changed. The system gives the user a possibility to disable changing of values of required fields. To do this, it is necessary to perform the command Fields+Edit for the selected field in the table browser window.
When an attempt to modify the field for which editing is disabled is made, the system will reject the entered data.
To restore the possibility of editing the field it is required to perform the command Fields+Edit for this field again.
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