signup/login not possible.

[studmed]

when I click on login I get this error message:

Express
500 Error: Could not authenticate you.

at Strategy.parseErrorResponse (/app/node_modules/passport-twitter/lib/strategy.js:202:14)
at Strategy.OAuthStrategy._createOAuthError (/app/node_modules/passport-oauth1/lib/strategy.js:405:16)
at /app/node_modules/passport-oauth1/lib/strategy.js:252:41
at /app/node_modules/oauth/lib/oauth.js:543:17
at passBackControl (/app/node_modules/oauth/lib/oauth.js:397:13)
at IncomingMessage. (/app/node_modules/oauth/lib/oauth.js:409:9)
at IncomingMessage.emit (node:events:538:35)
at endReadableNT (node:internal/streams/readable:1345:12)
at processTicksAndRejections (node:internal/process/task_queues:83:21)