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When Customize Format prompts Message : Access Violation at address xxxx in module xxxx. Read of address xxxxx

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Question
Sometimes when click on Customize button, the QnE program will prompt errors : Access Violation at address xxxx in module xxxx. Read of address xxxxx

Answer

The solution is Exit the Customize & Transaction Screens and access again.

Explaination
An access violation at anywhere near adress '00000000' indicates a null pointer access. You're using something before it's ever been created, most likely, or after it's been Free And Ni.

A lot of times this is caused by accessing a component in the wrong place during form creation, or by having your main form try and access something in a datamodule that hasn't been created yet.


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Article Details
Views: 1848 Created on: Aug 07, 2014
Date updated: Aug 07, 2014
Posted in: Delphi

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