New question #153511 on DOLFIN:
https://answers.launchpad.net/dolfin/+question/153511

I am trying to solve a complex nonlinear poisson problem adaptively. I can 
solve my equations using the newton_solver but the adaptive solve gives me the 
error below. Any ideas what this means or where  my mistake might be?

...
Generating forms required for error control.
  Calling FFC just-in-time (JIT) compiler, this may take some time.
Linear forms must be defined using test functions only: (1, 'k', 2, 2)
ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (4, 0))
---------------------------------------------------------------------------
UFLException                              Traceback (most recent call last)

....

/usr/local/lib/python2.6/dist-packages/ffc/quadrature/quadraturetransformerbase.pyc
 in _create_loop_entry(self, key)
    717             # TODO: Make sure test function indices are always 
rearranged to 0.

    718             ffc_assert(key[0] == -2 or key[0] == 0, \
--> 719                         "Linear forms must be defined using test 
functions only: " + repr(key))
    720             index_j, entry, range_j, space_dim_j = key
    721             loop = ((indices[index_j], 0, range_j),)

....
/usr/local/lib/python2.6/dist-packages/ufl/log.pyc in error(self, *message)
    122         "Write error message and raise an exception."
    123         self._log.error(*message)
--> 124         raise UFLException(self._format_raw(*message))
    125 
    126     def begin(self, *message):

UFLException: Linear forms must be defined using test functions only: (1, 'k', 
2, 2)
WARNING: Failure executing file: <poisson.py>


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