Error when importing region : "Unrecognized key labelposition"

[collioud]

Describe the bug
Get an error when importing a previously exported region.

To Reproduce
Steps to reproduce the behavior:

1. Create a rectangular region
2. Export it to file (crtf)

Example :
#CRTFv0 CASA Region Text Format version 0
centerbox [[235.2485pix, 233.1714pix], [149.5497pix, 155.7809pix]] linewidth=2, linestyle=-, symsize=1, symthick=1, color=2ee6d6, font="Helvetica", fontsize=10, fontstyle=bold, usetex=false, label="My region", labelcolor=green, labelposition=top

3. Delete the region
4. Try to importing the region from file -> error "Unrecognized key labelposition"

Expected behavior
The region to be imported back.
Region imported successfully when deleting the ", labelposition=top" end of line.

Platform info

• OS: Linux Ubuntu 20.04
• Browser Firefox 96.0
• Version Carta 3.0.0-beta.2b (carta_backend: Version 3.0.0-beta.2c)

[kswang1029]

This happens when a region has a custom name defined via the region dialog. Once a custom name is set, the following parameters show up in the crtf text:

label="my region", labelcolor=green, labelposition=top

test crtf file:
test.crtf.zip