Revert "debug"

This reverts commit c4f3b4435aaf6dbe2bc0f5f38637cbed6f0adf8d.
Revert "fix error"

This reverts commit 8cc4ae2db2d46840f44bcffc3061732a284e8233.
Revert "error fixing"

This reverts commit d7479aa0a8176fc14082ea3673b7037f79aef350.
Revert "minor fix"

This reverts commit 0f3cc31c9212690e116b7346dfa17778ad12d0c8.
Revert "minor correction"

This reverts commit 0807fa7c48b2fe1a2d56d29410ebaa00540ceb63.
Revert "visio call"

This reverts commit 2efd99d082343ddcd29e318119d7b754ef26cf53.