When encountering an "invalid params" error while trying to post a re-edited version of your Talkie, follow these steps to troubleshoot and resolve the issue:

1. Check Your Edits: Ensure that all edits made to your Talkie comply with the platform's parameters. This includes checking for any unsupported file types, exceeding character limits, or invalid formatting.

2. Review Parameters: Confirm that all parameters you are submitting match the expected values outlined in the Talkie guidelines. Pay attention to the format for file names, descriptions, tags, or other required fields.

3. Clear Cache and Cookies: Sometimes, stored cache or cookies can cause errors. Clear them from your browser settings and then restart the browser to see if the issue resolves itself.

4. Try a Different Browser: If the error persists, switch to a different browser or an incognito window. This can help identify if the issue is browser-specific.

5. File Format Verification: Ensure that the files you are trying to upload are in the correct format as specified by Talkie. If using images or audio, check their resolution, size limitations, and file types.

6. Contact Support: If none of the above steps work, it is advisable to contact Talkie's customer support for assistance. Provide them with the details of your edits and the exact error message for more targeted help.

7. Refer to Community Discussions: Look for similar issues discussed in community forums related to Talkie. Often, users may share their solutions that can be beneficial (learn more).

Following these steps should help you troubleshoot and resolve the "invalid params" error you are experiencing when posting your re-edited Talkie.