No pe volumes generated by FSL Estimate

[adamjbarnas]

Hello - My level 1 and level 3 scripts were working without error, but now I get the following error in my level 3 script:

RuntimeError                              Traceback (most recent call last)
Cell In[3], line 36
     29 level3.config = {
     30     "execution": {
     31         "crashdump_dir": crashdumps_dir
     32     }
     33 }
     35 level3.write_graph("workflow_graph.dot")
---> 36 level3.run(plugin='MultiProc', plugin_args={'n_procs':n_procs})

File /apps/python/3.10/lib/python3.10/site-packages/nipype/pipeline/engine/workflows.py:638, in Workflow.run(self, plugin, plugin_args, updatehash)
    636 if str2bool(self.config["execution"]["create_report"]):
    637     self._write_report_info(self.base_dir, self.name, execgraph)
--> 638 runner.run(execgraph, updatehash=updatehash, config=self.config)
    639 datestr = datetime.utcnow().strftime("%Y%m%dT%H%M%S")
    640 if str2bool(self.config["execution"]["write_provenance"]):

File /apps/python/3.10/lib/python3.10/site-packages/nipype/pipeline/plugins/base.py:212, in DistributedPluginBase.run(self, graph, config, updatehash)
    206 if len(errors) > 1:
    207     error, cause = (
    208         RuntimeError(f"{len(errors)} raised. Re-raising first."),
    209         error,
    210     )
--> 212 raise error from cause

RuntimeError: Traceback (most recent call last):
  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/pipeline/plugins/multiproc.py", line 67, in run_node
    result["result"] = node.run(updatehash=updatehash)
  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/pipeline/engine/nodes.py", line 524, in run
    result = self._run_interface(execute=True)
  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/pipeline/engine/nodes.py", line 1361, in _run_interface
    result = self._collate_results(
  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/pipeline/engine/nodes.py", line 1274, in _collate_results
    raise NodeExecutionError(
nipype.pipeline.engine.nodes.NodeExecutionError: Subnodes of node: flameo failed:
Subnode 0 failed
Error: Traceback (most recent call last):
  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/interfaces/base/core.py", line 401, in run
    outputs = self.aggregate_outputs(runtime)
  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/interfaces/base/core.py", line 430, in aggregate_outputs
    predicted_outputs = self._list_outputs()  # Predictions from _list_outputs
  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/interfaces/fsl/model.py", line 1149, in _list_outputs
    assert len(pes) >= 1, "No pe volumes generated by FSL Estimate"
AssertionError: No pe volumes generated by FSL Estimate

Traceback (most recent call last):

  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/pipeline/engine/utils.py", line 94, in nodelist_runner
    result = node.run(updatehash=updatehash)

  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/pipeline/engine/nodes.py", line 524, in run
    result = self._run_interface(execute=True)

  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/pipeline/engine/nodes.py", line 642, in _run_interface
    return self._run_command(execute)

  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/pipeline/engine/nodes.py", line 750, in _run_command
    raise NodeExecutionError(

nipype.pipeline.engine.nodes.NodeExecutionError: Exception raised while executing Node _flameo0.

Traceback (most recent call last):
  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/interfaces/base/core.py", line 401, in run
    outputs = self.aggregate_outputs(runtime)
  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/interfaces/base/core.py", line 430, in aggregate_outputs
    predicted_outputs = self._list_outputs()  # Predictions from _list_outputs
  File "/apps/python/3.10/lib/python3.10/site-packages/nipype/interfaces/fsl/model.py", line 1149, in _list_outputs
    assert len(pes) >= 1, "No pe volumes generated by FSL Estimate"
AssertionError: No pe volumes generated by FSL Estimate

Any help will be appreciated!