Errors in console

Hi, I’ve errors in console in post editor, why it happen ?
all functions work except for manipulating images…

load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=4.9.6:9 JQMIGRATE: Migrate is installed, version 1.4.1
wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:5 Uncaught TypeError: Cannot read property ‘toLowerCase’ of undefined
at Array.<anonymous> (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:5)
at Object.At [as each] (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)
at YC.<anonymous> (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:5)
at zm.c.fire (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)
at YC.fire (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)
at mC (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)
at wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
at wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
at wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:5
At @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:5
c.fire @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
fire @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
mC @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
setTimeout (async)
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
setTimeout (async)
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
u @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
c @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
l @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
load (async)
n @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
e @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
R @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
e @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
loadAll @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
pC @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
vC @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
EC @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
At @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
s @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
loadScripts @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
loadQueue @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
waitFor @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
At @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
s @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
n @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
u @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
load (async)
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
At @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
s @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
loadScripts @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
loadQueue @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
TC @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
AC @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
render @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
n @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
(anonymous) @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
At @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
e @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
C @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
d @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
a @ wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3
wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:5 Uncaught TypeError: Cannot read property ‘toLowerCase’ of undefined
at Array.<anonymous> (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:5)
at Object.At [as each] (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)
at YC.<anonymous> (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:5)
at zm.c.fire (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)
at YC.fire (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)
at Gp.nodeChanged (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)
at YC.nodeChanged (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)
at YC.<anonymous> (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)
at zm.c.fire (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)
at YC.fire (wp-tinymce.php?c=1&ver=4711-20180425-tadv-4.7.11:3)