Error while creating new *.exvim file: vimentry#write_default_template

[JanFeld]

Hi,

when i'm starting vim on a new exvim-project file (*.exvim) i get the following error:

Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line    2:
E21: Cannot make changes, 'modifiable' is off:     silent 1,$d _
Press ENTER or type command to continue
Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line    8:
E21: Cannot make changes, 'modifiable' is off
Press ENTER or type command to continue
Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line    8:
E21: Cannot make changes, 'modifiable' is off
Press ENTER or type command to continue
Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line    8:
E21: Cannot make changes, 'modifiable' is off
Press ENTER or type command to continue
Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line    8:
E21: Cannot make changes, 'modifiable' is off
Press ENTER or type command to continue
Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line    8:
E21: Cannot make changes, 'modifiable' is off
Press ENTER or type command to continue
Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line    8:
E21: Cannot make changes, 'modifiable' is off
Press ENTER or type command to continue
Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line    8:
E21: Cannot make changes, 'modifiable' is off
Press ENTER or type command to continue
Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line    8:
E21: Cannot make changes, 'modifiable' is off
Press ENTER or type command to continue
Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line    8:
E21: Cannot make changes, 'modifiable' is off
Press ENTER or type command to continue
Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line    8:
E21: Cannot make changes, 'modifiable' is off
Press ENTER or type command to continue
Error detected while processing function <SNR>129_init_vimentry[9]..vimentry#write_default_template:
line   65:
E382: Cannot write, 'buftype' option is set

I'm not able to 'create' new exvim projects anymore. I did not modify something. It started suddenly a few days ago and i just noticed while trying to create a new project.

Thanks for your help.