Error with 32768 length field - OverflowError: argument 1 overflowed: value must be in the range -32768 to 32767

[AlisterH]

2023-07-21T23:36:37     WARNING    Traceback (most recent call last):
              File "C:\Users/alister/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\MemoryLayerSaver\memory_layer_saver.py", line 138, in save_data
              writer.write_layers(layers)
              File "C:\Users/alister/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\MemoryLayerSaver\writer.py", line 41, in write_layers
              self.write_layer(layer)
              File "C:\Users/alister/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\MemoryLayerSaver\writer.py", line 61, in write_layer
              ds.writeInt16(fld.length())
             OverflowError: argument 1 overflowed: value must be in the range -32768 to 32767

The attached project can be used to reproduce.

• Open the project.
• Save the QGIS project - there is no problem.
• Select some of the features in the layer
• Edit>copy features
• Edit>paste features as>temporary scratch layer
• Save the project and the memory layer saver plugin will generate the error above.
• Edit the memory layer and delete the titles column.
• Save the project - there is no problem.

test memory layer saver.zip