Uncaught TypeError: Cannot read property 'icons' of null

Problem/Motivation

Uncaught TypeError: Cannot read property 'icons' of null
    at CKEDITOR.resourceManager.<anonymous> (ckeditor.js?v=4.14.0:258)
    at CKEDITOR.resourceManager.<anonymous> (ckeditor.js?v=4.14.0:257)
    at d (ckeditor.js?v=4.14.0:252)
    at Array.n (ckeditor.js?v=4.14.0:253)
    at w (ckeditor.js?v=4.14.0:253)
    at ckeditor.js?v=4.14.0:254
(anonymous) @ ckeditor.js?v=4.14.0:258
(anonymous) @ ckeditor.js?v=4.14.0:257
d @ ckeditor.js?v=4.14.0:252
n @ ckeditor.js?v=4.14.0:253
w @ ckeditor.js?v=4.14.0:253
(anonymous) @ ckeditor.js?v=4.14.0:254
setTimeout (async)
CKEDITOR.env.ie.d.$.onload @ ckeditor.js?v=4.14.0:253
load (async)
v @ ckeditor.js?v=4.14.0:253
load @ ckeditor.js?v=4.14.0:254
load @ ckeditor.js?v=4.14.0:257
l @ ckeditor.js?v=4.14.0:258
(anonymous) @ ckeditor.js?v=4.14.0:259
n @ ckeditor.js?v=4.14.0:270
(anonymous) @ ckeditor.js?v=4.14.0:269
getStylesSet @ ckeditor.js?v=4.14.0:501
d @ ckeditor.js?v=4.14.0:269
(anonymous) @ ckeditor.js?v=4.14.0:269
h @ ckeditor.js?v=4.14.0:251
d @ ckeditor.js?v=4.14.0:252
n @ ckeditor.js?v=4.14.0:253
w @ ckeditor.js?v=4.14.0:253
(anonymous) @ ckeditor.js?v=4.14.0:254
setTimeout (async)
CKEDITOR.env.ie.d.$.onload @ ckeditor.js?v=4.14.0:253
load (async)
v @ ckeditor.js?v=4.14.0:253
load @ ckeditor.js?v=4.14.0:254
load @ ckeditor.js?v=4.14.0:251
f @ ckeditor.js?v=4.14.0:268
(anonymous) @ ckeditor.js?v=4.14.0:268
g @ ckeditor.js?v=4.14.0:514
loadPart @ ckeditor.js?v=4.14.0:516
c @ ckeditor.js?v=4.14.0:268
(anonymous) @ ckeditor.js?v=4.14.0:268
c @ ckeditor.js?v=4.14.0:10
(anonymous) @ ckeditor.js?v=4.14.0:11
CKEDITOR.editor.CKEDITOR.editor.fire @ ckeditor.js?v=4.14.0:13
fireOnce @ ckeditor.js?v=4.14.0:12
CKEDITOR.editor.CKEDITOR.editor.fireOnce @ ckeditor.js?v=4.14.0:13
k @ ckeditor.js?v=4.14.0:268
(anonymous) @ ckeditor.js?v=4.14.0:264
(anonymous) @ ckeditor.js?v=4.14.0:28
setTimeout (async)
setTimeout @ ckeditor.js?v=4.14.0:28
b @ ckeditor.js?v=4.14.0:264
b @ ckeditor.js?v=4.14.0:345
CKEDITOR.replace @ ckeditor.js?v=4.14.0:349
attach @ js_3M8bhSZqZyU6pQuOw7wfTHQSi0Xi4vEutxycC_1t7UY.js:24
Drupal.editorAttach @ js_rPwR9o8-f6aCCVNe2fP29RaywnNW9uhe4v82mS2g-p4.js:3289
(anonymous) @ js_rPwR9o8-f6aCCVNe2fP29RaywnNW9uhe4v82mS2g-p4.js:3243
each @ js_rPwR9o8-f6aCCVNe2fP29RaywnNW9uhe4v82mS2g-p4.js:2
each @ js_rPwR9o8-f6aCCVNe2fP29RaywnNW9uhe4v82mS2g-p4.js:2
attach @ js_rPwR9o8-f6aCCVNe2fP29RaywnNW9uhe4v82mS2g-p4.js:3231
(anonymous) @ js_rPwR9o8-f6aCCVNe2fP29RaywnNW9uhe4v82mS2g-p4.js:60
Drupal.attachBehaviors @ js_rPwR9o8-f6aCCVNe2fP29RaywnNW9uhe4v82mS2g-p4.js:57
(anonymous) @ js_rPwR9o8-f6aCCVNe2fP29RaywnNW9uhe4v82mS2g-p4.js:285
listener @ js_rPwR9o8-f6aCCVNe2fP29RaywnNW9uhe4v82mS2g-p4.js:277

Proposed resolution

Fix plugins id in imce_modal\Plugin\CKEditorPlugin\ImceModal