The error code (9230) was received. Invalid form: root container is missing.

This error can occur in runtime if the fm2 form has been created with Lycia3
version prior to 7.1.2161 and then used with this Lycia3 version or higher.
The reason is that fm2 form file format has been changed in Lycia3.
These fm2 forms should be converted into new fm2 format.
The following steps should be performed.

For Windows:

Note: Backup project’s source tree prior to making any changes.
1. Close LyciaStudio.
2. Navigate to project folder.
3. Delete all content of the ‘output’ folder under the project folder
4. Download zip archive corresponding to your Lycia3 version (x32/x64).
qxcompat-x32-win.zip
qxcompat-x64-win.zip
5. Extract archive content into project folder.
6. Run Lycia Command Line tool and navigate to the project directory.
7. Run qxcompat-[x32|x64]-win.bat
All fm2 forms under the project directory will be converted into new fm2 format.

For Linux:

Note: Backup project’s source tree prior to making any changes.
1. Close LyciaStudio.
2. Navigate to project folder.
3. Delete all content of the ‘output’ folder under the project folder
4. Download zip archive corresponding to your Lycia3 version (x32/x64).
qxcompat-x32-lnx.zip
qxcompat-x64-lnx.zip
5. Extract archive content into project folder.
6. Make the files form archive executable by running command:
chmod +x qxcompat*
7. Source Lycia3 environment by running command:
. $LYCIA_DIR/environ
8. Run qxcompat-[x32|x64]-lnx.sh
All fm2 forms under the project directory will be converted into new fm2 format.