1. Open the Keplr UI and go to Settings → Endpoints

1. You will see two defaults endpoints (RPC & LCD)

1. Change the endpoints to one of the sentries listed below, save and try to submit the transaction again. If it doesn’t work try the rest of the endpoints.

Option A

RPC: http://sentry0.injective.network:26657/

LCD: http://sentry0.injective.network:10337/

Option B

RPC: http://sentry1.injective.network:26657/

LCD: http://sentry1.injective.network:10337/

Option C

RPC: http://sentry2.injective.network:26657/

LCD: http://sentry2.injective.network:10337/

Option D

RPC: http://sentry3.injective.network:26657/