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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / Error metadata type pa...
Small and medium business | Business Central, N...
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Error metadata type page 0 not found after installing modified base application

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Posted on by RobertdeRoos 10

I have converted our BC140 solution from C\AL to AL and merged the objects with the objects of the BC150 base application. I resolved all error and successfully created a new base application.
I then uninstalled the base app from the BC150 demo database and successfully published and synchronized the new base application.

When trying to run the web client it will only show the logo and nothing happens.
Checking the event viewer it shows an error saying the metadata for page 0 is not found.

Also specifying a page in the url gives the same error (localhost:8080/.../

specifying anything for PublicWebBaseUrl in the config also does not resolve the issue.

Anyone any ideas?

I have the same question (0)
  • Olister Rumao Profile Picture
    Olister Rumao 3,967 on at

    Hi,

    Looks like your objects are not installed synchronized correctly or the issue is that you have completely removed the core functionality. Set the schemaUpdateMode = ForceSync or Recreate in app.json. Install the App using PowerShell

    demiliani.com/.../

    Restart your Server Instance and try using it.

    Hope this helps.

  • RobertdeRoos Profile Picture
    RobertdeRoos 10 on at

    The problem was caused by the system application app not being installed.

    The only reference I had is an upgrade procedure. There you would uninstall and unpublish also the system application app and publish the new version.
    After publishing and Sync-NAVApp you would then do Start-NAVAppDataUpgrade, but because I published the same system application app this fails and it was never installed.

    The correct procedure is to leave the system application app installed and only uninstall and unpublish the base application (and all that depend on that) and then publish and sync the new version of the base application app and Start data upgrade.

    When using Mode Development on Sync-NAVApp you can install a new base application app (without breaking changes) with the same version number. You then need to install the base application app instead of using upgrade.

  • Andrewlai Profile Picture
    Andrewlai 15 on at

    Hi RobertdeRoos,

    I am exactly the same issue as you.

    May I know how which app is the system application app?

    "The correct procedure is to leave the system application app installed and only uninstall and unpublish the base application (and all that depend on that) and then publish and sync the new version of the base application app and Start data upgrade."

    Thank you.

  • RobertdeRoos Profile Picture
    RobertdeRoos 10 on at

    pastedimage1659594767041v1.png

  • Andrewlai Profile Picture
    Andrewlai 15 on at

    I do not see this system application app it in our current BC 14 version..

  • RobertdeRoos Profile Picture
    RobertdeRoos 10 on at

    The BC 14 version is C/AL and does not have apps.

    When you are upgrading you are using a backup of your database and restore this on a new AL environment which has these apps.

    During the upgrade you then install the new customized version of the base app. In that step you should not uninstall the system application  app.

    For more information please read the documentation from Microsoft

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