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Check the value of "unique_together" option. u*'unique_together' must be a list or tuple.RRu models.E010css%|]}t|ttf VqdS(N(RMRUR(RER_((s7/tmp/pip-unpacked-wheel-BAJOf3/django/db/models/base.pys su7All 'unique_together' elements must be lists or tuples.u models.E011uunique_togetherN( RMRBR]RURRRRRUR(RuRXR_((s7/tmp/pip-unpacked-wheel-BAJOf3/django/db/models/base.pyR s  c Cs/ddlm}d|jjdtD}g}x|D]}y||}Wn=tk r|jtjd||fd|ddq<Xt |j |j r|jtjd |||fd|dd q<||jj kr<|jtjd |||jj fd d d|ddq<q<W|S(Ni(tmodelscSsi|]}||jqS((R7(RER((s7/tmp/pip-unpacked-wheel-BAJOf3/django/db/models/base.pys ,s Ru+'%s' refers to the non-existent field '%s'.RRu models.E012uV'%s' refers to a ManyToManyField '%s', but ManyToManyFields are not permitted in '%s'.u models.E013u;'%s' refers to field '%s' which is not local to model '%s'.Ru4This issue may be caused by multi-table inheritance.u models.E016(t django.dbRRBt _get_fieldsRPRR_RRRMRct ManyToManyRelR\R(RuR_toptionRtforward_fields_mapRXR R((s7/tmp/pip-unpacked-wheel-BAJOf3/django/db/models/base.pyR%s:    cCsW|jjr(tjdd|ddgS|jjsA|jj rEgSt|jjttfs|tjdd|ddgSg}|jj}d|D}d|D}d |D}d |D}g}|j}t t j d t |j |j D}|j||x4|D],}|jtjd |d|dd q#W|S(uU Check "ordering" option -- is it a list of strings and do all fields exist? u?'ordering' and 'order_with_respect_to' cannot be used together.RRu models.E021uQ'ordering' must be a tuple or list (even if you want to order by only one field).u models.E014css!|]}|dkr|VqdS(u?N((RERG((s7/tmp/pip-unpacked-wheel-BAJOf3/django/db/models/base.pys rscss.|]$}|jdr"|dn|VqdS(u-iN(R(RERG((s7/tmp/pip-unpacked-wheel-BAJOf3/django/db/models/base.pys uscss!|]}t|kr|VqdS(N(R(RERG((s7/tmp/pip-unpacked-wheel-BAJOf3/django/db/models/base.pys yscSs"h|]}|dkr|qS(upk((RERG((s7/tmp/pip-unpacked-wheel-BAJOf3/django/db/models/base.pys }s cssF|]<}|jo|j s.|j|jfn|jjfVqdS(N(RItconcreteR7RRtrelated_query_name(RERG((s7/tmp/pip-unpacked-wheel-BAJOf3/django/db/models/base.pys su1'ordering' refers to the non-existent field '%s'.u models.E015(RBt_ordering_clashRRRRVRMRRUReRt from_iterableR_trelated_objectsRUR_(RuRXR_tinvalid_fieldsRt valid_fieldst invalid_field((s7/tmp/pip-unpacked-wheel-BAJOf3/django/db/models/base.pyRUs>        c Csg}d }d }xtjjD]}tj||s@q"nt|}|jj}|d ks"|j j rwq"q"|d kr|}|}q"||kr"|}|}q"q"W|d kr|Sx|j j D]}}|j \}} |jd kr| d k rt| |kr|jtjd| ||fddd|ddqqWx|j jD]}t|jjtjrq\nx|jjj j D]}} | j \}} | jd kr| d k rt| |kr|jtjd| ||fddd|dd qqWq\W|S( u Check that any auto-generated column names are shorter than the limits for each database in which the model will be created. u\Autogenerated column name too long for field "%s". Maximum length is "%s" for database "%s".Ru/Set the column name manually using 'db_column'.RRu models.E018u`Autogenerated column name too long for M2M field "%s". 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