Your access to TinyMCE will expire on 25 Februrary 2021

If you will get an error when using TinyMCE editor (visual editor) inside the PrestaBay module, that look like this:

Your access to TinyMCE will expire on 25 Februrary 2021. Please either contact your administrator or upgrade your account using the instructions available

Please make these changes to your installation:

1) Open file modules/prestabay/views/templates/admin/main/tinymce.tpl

2) Fine line 

<script src='//cdn.tinymce.com/4/tinymce.min.js'></script>

3) Replace it with 

<script src="https://cdnjs.cloudflare.com/ajax/libs/tinymce/4.9.11/tinymce.min.js"></script>

4) Save file

5) Reset PrestaShop store cache

After this change, the issue should be solved.