Errors during load Customized Box

By | February 26, 2021

Sage 300 provides an SDK using which a developer can customize an existing OCX screen. This customize screen needs to be upgraded with a higher version of sage 300 when passes years. When we want to upgrade this customize source code with a higher version and opened customize code in VB then sometimes error occurs  “Errors during load  CustomizedBox”.

New Stuff:  

Pop up screens are open with errors when developers open the source code of the screen in VB. These popup errors might be TestEXE or CustomizedBox related. Here we will discuss how to resolve customized box related error.


Below are the steps to resolve Customized box error

  • Click “Ok “on pop-up screen and open the source code.
Remove customized box
  • Right click on ACCPACUICustomizeBox( ACCPACUICustomizeBox.frm) then click on “Remove  ACCPACUICustomizeBox.frm”.
  • Then click on OK and then click on save button on window.

Right Click on Accpac(Module name) then click on Add then click on Form.

  • Select ACCPACUICustomizeBox and click on Open.
  • Save the changes and Reopen the project. The error will have been resolve.

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