Sage 300 provides a functionality to customize sage 300 standard screen or to create a custom module as per the business requirement. Whenever an additional functionality is required in standard Sage 300 the custom module is created with a customized OCX screen. With this custom module creation and customized screens, we have to maintain its Roto.dat and Grp.dat files. These files are necessary for custom module or custom screens to be viewed in Sage 300.
In this blog we are going to discuss regarding the possible cause of the custom module screens or customized screens not getting opened in the development or test environment and solution for it.
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As we work on sage 300, we are probably familiar about roto.dat file and grp.dat files and their purpose. In the roto.dat file for each (screen) user interface it contains separate entry with register class ID and grp.dat defines the menu structure for Sage 300 module (for standard as well as custom). In case of adding additional customized screen there will need to add extra entry in these files as well in case of custom module in roto.dat file we need to add an entry for each user interface with its register ID to view into the sage 300.
Below is the screenshot of the roto file
While opening any screen system refers to roto.dat file and as per unique identifier defined for the screen and its registered class ID that screen control gets loaded. But, while opening customized screen or custom module screen sometimes error might occur as “Object is not defined in roto event file.” Please refer to below screenshot for the error message:
Kindly refer to example scenario below:
Suppose we are getting above error while opening GT2007 screen. As per above error message, we might think that there will be missing entry in roto.dat file for screen GT2007 but, as we can see in the screenshot below the entry is already present.
But, we can see in the screenshot above that for the screen GT2007 the type is wrongly mentioned as “STUB” instead of “UI” as specified for rest of the screens. So, the same error can be thrown by the Sage 300 system in case entry type is wrongly maintained anything else other than “UI”. This might cause due to human error while adding additional customized screen in standard mod also.
Resolution for this error is modifying this roto.dat file to change that specific entry type from STUB to UI and saving the roto.dat file and then reopening a company so that roto.dat file changes will reflect.
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