Can you show us more details or screnshots??
Please verify if knowledge base article 3050OSI8 - Totalizer tags stop updating when the source tag is renamed applies.
Other than this, please share additional information as suggested by Joseph.
As Gregor Beck said if your source tag is renamed you ur totalizer will not get updated as per KB Article 3050OSI8 - Totalizer tags stop updating when the source tag is renamed This is the known issue as per 5418OSI8 - Renaming sourcetag causes totalizer tag to stop working , you can do the following workarounds to fix this issue,
1. Stop totalizer, delete pilastot_T.dat, and restart Totalizer.
2. Create a new sourcetag and edit the totalizer point to use the new sourcetag name.