I have an error that I can't fix and I heard that updating Odoo with github worked for a couple people

my error is when I click "Send" on the digital signature application

Uncaught TypeError: Cannot read property 'name' of null

http://192.168.10.199:8069/web/content/1266-6d767df/web.assets_backend.js:2953
Rastreo de error:
TypeError: Cannot read property 'name' of null
    at Object.prepare_reference (http://192.168.10.199:8069/web/content/1266-6d767df/web.assets_backend.js:2953:1706)
    at Object.<anonymous> (http://192.168.10.199:8069/web/content/1265-156d856/web.assets_common.js:547:681)
    at fire (http://192.168.10.199:8069/web/content/1265-156d856/web.assets_common.js:541:299)
    at Object.fireWith [as resolveWith] (http://192.168.10.199:8069/web/content/1265-156d856/web.assets_common.js:546:198)
    at Object.<anonymous> (http://192.168.10.199:8069/web/content/1265-156d856/web.assets_common.js:547:874)
    at fire (http://192.168.10.199:8069/web/content/1265-156d856/web.assets_common.js:541:299)
    at Object.fireWith [as resolveWith] (http://192.168.10.199:8069/web/content/1265-156d856/web.assets_common.js:546:198)
    at Object.<anonymous> (http://192.168.10.199:8069/web/content/1265-156d856/web.assets_common.js:547:874)
    at fire (http://192.168.10.199:8069/web/content/1265-156d856/web.assets_common.js:541:299)
    at Object.fireWith [as resolveWith] (http://192.168.10.199:8069/web/content/1265-156d856/web.assets_common.js:546:198)