Hello, dear community members!
The Tenor GIFs has released a new version (V2)!
If you see a blank screen (without Gifs) when you click the GIF button, you should generate a new Tenor API key and fill it in the "API Key" field.
Please follow the instruction to get your new Tenor API key:
1. First please register and login: https://tenor.com/
2. Navigate to Tenor GIF API Page: https://tenor.com/gifapi
3. Fill the API Name and API Description Fields
4. Get your API Key
Related article: https://wpdiscuz.com/getting-tenor-gif-api-key/