Hello when i try to edit a schedule obtain the following error:

in f12 i see:

2117-cfdbdcbb64dbb5f6.js:1 TypeError: Cannot convert undefined or null to object
at Object.keys ()
at U (page-b9ca2d70d0012233.js:1:15238)
at rE (fd9d1056-7500e87e03f8f1a5.js:1:40344)
at iZ (fd9d1056-7500e87e03f8f1a5.js:1:117029)
at ia (fd9d1056-7500e87e03f8f1a5.js:1:95165)
at fd9d1056-7500e87e03f8f1a5.js:1:94987
at il (fd9d1056-7500e87e03f8f1a5.js:1:94994)
at oJ (fd9d1056-7500e87e03f8f1a5.js:1:92350)
at nb (fd9d1056-7500e87e03f8f1a5.js:1:26836)
at o6 (fd9d1056-7500e87e03f8f1a5.js:1:93564)