- Uncaught exception: Invalid_argument("equal: functional value")
- Fatal error: exception Invalid_argument("equal: functional value")
- Raised by primitive operation at unknown location
- Called from file "src/batEnum.ml", line 803, characters 16-23
- Called from file "src/batEnum.ml", line 679, characters 9-12
- Called from file "src/batEnum.ml", line 363, characters 16-26
- Called from file "src/batEnum.ml", line 367, characters 2-8
- Re-raised at file "src/batEnum.ml", line 346, characters 2-98
- Called from file "src/batList.ml", line 579, characters 9-97
- Called from file "pplacer_src/nbc.ml", line 247, characters 84-98