errorCode

Code Used:

from PyPoE.poe.file.dat import RelationalReader
from PyPoE.poe.file.translations import TranslationFileCache
from PyPoE.poe.sim.mods import get_translation

# Path data is extracted to, only need Metadata/Data
path = 'F:\\poedata\\ROOT\\'

# speed things up
opt = {
    'use_dat_value': False,
    'auto_build_index': True,
}

r = RelationalReader(
    path_or_ggpk=path,
    read_options=opt,
)

tc = TranslationFileCache(path_or_ggpk=path)

r['Maps.dat']

Error:

Traceback (most recent call last):
  File "c:\users\schala\pypoe\PyPoE\poe\file\dat.py", line 974, in _set_value
    obj = other.index[key][obj]
KeyError: ''

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "c:\users\schala\pypoe\PyPoE\poe\file\dat.py", line 1075, in get_file
    key_offset,
  File "c:\users\schala\pypoe\PyPoE\poe\file\dat.py", line 1017, in _simple_set_value
    return self._set_value(value, other, key, offset)
  File "c:\users\schala\pypoe\PyPoE\poe\file\dat.py", line 981, in _set_value
    msg
PyPoE.poe.file.specification.errors.SpecificationError: <ERRORS.RUNTIME_MISSING_FOREIGN_KEY: 3001>: Did not find proper value for foreign key "Id" with value ""

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:/Users/Schala/AppData/Local/Programs/Python/Python35-32/pypoetest2.py", line 21, in <module>
    r['Maps.dat']
  File "c:\users\schala\pypoe\PyPoE\poe\file\dat.py", line 967, in __getitem__
    return self.get_file(item).reader
  File "c:\users\schala\pypoe\PyPoE\poe\file\dat.py", line 1057, in get_file
    df_other_reader = self[spec_row.key]
  File "c:\users\schala\pypoe\PyPoE\poe\file\dat.py", line 967, in __getitem__
    return self.get_file(item).reader
  File "c:\users\schala\pypoe\PyPoE\poe\file\dat.py", line 1084, in get_file
    'msg': e.msg,
PyPoE.poe.file.specification.errors.SpecificationError: <ERRORS.RUNTIME_MISSING_FOREIGN_KEY: 3001>: Data/WorldAreas.dat:FirstEntry_NPCsKey->NPCs.dat:Did not find proper value for foreign key "Id" with value ""