It seems that the Jetton contracts are functioning correctly on TonWeb, so the issue is likely due to an error in the code deployed by the person asking the question.

Perhaps they made a mistake during the deployment process, or there could be an issue with their code. To resolve the problem, it's recommended that they carefully review their code and study the official Jetton contracts on TonWeb to identify any differences.

Through a thorough debugging process, they can identify the root cause of the issue and make the necessary changes to fix it.