My Buttons’ texts overflow when testing in email clients, how to solve it?

When copying buttons directly from a PDF or other source and pasting them on Assembler buttons, hidden data is carried. This results in non-functional buttons and text overflowing when testing on different email clients (see examples below).

The steps to fix this would be:

• Generate the same button in a new layout.
• Type the CTA manually, instead of copying and pasting it.
• Add the button link as normally by clicking on the chain icon, copying and pasting the URL