Not valid text for custom_title option

[Rubén de Celis Hernández]

Describe the bug

Error rendering card and It worked before.

If I remove the spaces in the custom_title option works again:

The issue is resolved by replacing the space character with %20 according to RFC1738 URL encoding:

💡 Perhaps this assessment should be reflected in the Readme for the custom_title option or in some way supported if it is taken into account.

Expected behavior

The correct and consistent card rendering when the custom_title option is used

Screenshots / Live demo link

No response

Additional context

No response