---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
File ~\anaconda3\envs\prolif\lib\site-packages\MDAnalysis\core\universe.py:110, in _topology_from_file_like(topology_file, topology_format, **kwargs)
    109     with parser(topology_file) as p:
--> 110         topology = p.parse(**kwargs)
    111 except (IOError, OSError) as err:
    112     # There are 2 kinds of errors that might be raised here:
    113     # one because the file isn't present
    114     # or the permissions are bad, second when the parser fails

File ~\anaconda3\envs\prolif\lib\site-packages\MDAnalysis\topology\PSFParser.py:109, in PSFParser.parse(self, **kwargs)
    108     logger.error(err)
--> 109     raise ValueError(err)
    110 header_flags = header[3:].split()

ValueError: <path_to_file> is not valid PSF file (header = NAMD PSF
)

During handling of the above exception, another exception occurred:

ValueError                                Traceback (most recent call last)
Cell In[41], line 1
----> 1 u = mda.Universe(psf_file)

File ~\anaconda3\envs\prolif\lib\site-packages\MDAnalysis\core\universe.py:356, in Universe.__init__(self, topology, all_coordinates, format, topology_format, transformations, guess_bonds, vdwradii, fudge_factor, lower_bound, in_memory, in_memory_step, *coordinates, **kwargs)
    354 if not isinstance(topology, Topology) and not topology is None:
    355     self.filename = _check_file_like(topology)
--> 356     topology = _topology_from_file_like(self.filename,
    357                                         topology_format=topology_format,
    358                                         **kwargs)
    360 if topology is not None:
    361     self._topology = topology

File ~\anaconda3\envs\prolif\lib\site-packages\MDAnalysis\core\universe.py:125, in _topology_from_file_like(topology_file, topology_format, **kwargs)
    121         raise IOError("Failed to load from the topology file {0}"
    122                         " with parser {1}.\n"
    123                         "Error: {2}".format(topology_file, parser, err))
    124 except (ValueError, NotImplementedError) as err:
--> 125     raise ValueError(
    126         "Failed to construct topology from file {0}"
    127         " with parser {1}.\n"
    128         "Error: {2}".format(topology_file, parser, err))
    129 return topology

ValueError: Failed to construct topology from file <path_to_file> with parser <class 'MDAnalysis.topology.PSFParser.PSFParser'>.
Error: <path_to_file> is not valid PSF file (header = NAMD PSF
)