i added a new mysql table and did a build-schema my config/schema.yml contains my new table
now when i run the build-model i get: 
Some problems occurred when executing the task: 

```
build-propel.xml:474:20: Duplicate table found: propel.                                                                      

build-propel.xml:461:22: Execution of the target buildfile failed. Aborting.

```

If the exception message is not clear enough, read the output of the task for  

 more information 

how on earth must i find the duplicate table??
please help?
thank you