Error !

StatementError: (sqlalchemy.exc.InvalidRequestError) Can't reconnect until invalid transaction is rolled back [SQL: u'SELECT `LimeTemplate`.id AS `LimeTemplate_id`, `LimeTemplate`.langcode AS `LimeTemplate_langcode`, `LimeTemplate`.hashid AS `LimeTemplate_hashid`, `LimeTemplate`.parent AS `LimeTemplate_parent`, `LimeTemplate`.meta_type AS `LimeTemplate_meta_type`, `LimeTemplate`.public AS `LimeTemplate_public`, `LimeTemplate`.path AS `LimeTemplate_path`, `LimeTemplate`.`templateType` AS `LimeTemplate_templateType`, `LimeTemplate`.`templateName` AS `LimeTemplate_templateName`, `LimeTemplate`.`userCreated` AS `LimeTemplate_userCreated`, `LimeTemplate`.`userModified` AS `LimeTemplate_userModified`, `LimeTemplate`.`dateCreated` AS `LimeTemplate_dateCreated`, `LimeTemplate`.`dateModified` AS `LimeTemplate_dateModified`, `LimeTemplate`.deleted AS `LimeTemplate_deleted`, `LimeTemplate`.`userDeleted` AS `LimeTemplate_userDeleted`, `LimeTemplate`.purged AS `LimeTemplate_purged`, `LimeTemplate`.`userPurged` AS `LimeTemplate_userPurged`, `LimeTemplate`.template AS `LimeTemplate_template`, `LimeTemplate`.topics AS `LimeTemplate_topics`, `LimeTemplate`.state AS `LimeTemplate_state`, `LimeTemplate`.code AS `LimeTemplate_code`, `LimeTemplate`.data AS `LimeTemplate_data`, `LimeTemplate`.prop AS `LimeTemplate_prop`, `LimeTemplate`.public_code AS `LimeTemplate_public_code`, `LimeTemplate`.mobile_code AS `LimeTemplate_mobile_code`, `LimeTemplate`.edit_code AS `LimeTemplate_edit_code`, `LimeTemplate`.track AS `LimeTemplate_track`, `LimeTemplate`.`templateImage` AS `LimeTemplate_templateImage` \nFROM `LimeTemplate` \nWHERE `LimeTemplate`.path LIKE %s'] [parameters: [immutabledict({})]]

<h2>${cform.val('title')}</h2> <div class="form"> ${cform.render()} </div> </div> % endif
build/bdist.linux-x86_64/egg/sqlalchemy/engine/base.py, line 391:
"Can't reconnect until invalid "
build/bdist.linux-x86_64/egg/sqlalchemy/engine/base.py, line 1071:
conn = self._revalidate_connection()
build/bdist.linux-x86_64/egg/sqlalchemy/util/compat.py, line 200:
reraise(type(exception), exception, tb=exc_tb, cause=cause)
build/bdist.linux-x86_64/egg/sqlalchemy/engine/base.py, line 1341:
exc_info
build/bdist.linux-x86_64/egg/sqlalchemy/engine/base.py, line 1078:
None, None)
build/bdist.linux-x86_64/egg/sqlalchemy/engine/base.py, line 1010:
compiled_sql, distilled_params
build/bdist.linux-x86_64/egg/sqlalchemy/sql/elements.py, line 323:
return connection._execute_clauseelement(self, multiparams, params)
build/bdist.linux-x86_64/egg/sqlalchemy/engine/base.py, line 914:
return meth(self, multiparams, params)
build/bdist.linux-x86_64/egg/sqlalchemy/orm/query.py, line 2751:
result = conn.execute(querycontext.statement, self._params)
build/bdist.linux-x86_64/egg/sqlalchemy/orm/query.py, line 2736:
return self._execute_and_instances(context)
build/bdist.linux-x86_64/egg/sqlalchemy/orm/query.py, line 2588:
return list(self)
/var/limecms/treteknisk/treteknisk01/treteknisk-inst/Products/LimeAPI/LimeAPI.py, line 1341:
objects = session.query( LimeTemplateDbObject ).filter(LimeTemplateDbObject.path.like(path) ).all()
/var/limecms/treteknisk/treteknisk01/treteknisk-inst/Products/LimeForm/LimeForm.py, line 302:
template = self.LimeAPI.getTemplate( 'form' )
/var/limecms/treteknisk/treteknisk01/treteknisk-inst/Products/LimeForm/LimeForm.py, line 350:
template,package = self._getFormTemplate()
templates/trenett/article, line 76:
${cform.render()}
templates/trenett/site, line 90:
${self.main_content()}
/srv/limenine_data/limecms/treteknisk/treteknisk01/local/lib/python2.7/site-packages/Mako-1.0.4-py2.7.egg/mako/runtime.py, line 890:
callable_(context, *args, **kwargs)
/srv/limenine_data/limecms/treteknisk/treteknisk01/local/lib/python2.7/site-packages/Mako-1.0.4-py2.7.egg/mako/runtime.py, line 864:
_exec_template(inherit, lclcontext, args=args, kwargs=kwargs)
/srv/limenine_data/limecms/treteknisk/treteknisk01/local/lib/python2.7/site-packages/Mako-1.0.4-py2.7.egg/mako/runtime.py, line 829:
**_kwargs_for_callable(callable_, data))
/srv/limenine_data/limecms/treteknisk/treteknisk01/local/lib/python2.7/site-packages/Mako-1.0.4-py2.7.egg/mako/template.py, line 445:
return runtime._render(self, self.callable_, args, data)
/var/limecms/treteknisk/treteknisk01/treteknisk-inst/Products/LimeTemplate/LimeTemplate.py, line 667:
html = mytemplate.render(object=object, site=site, extra=extra.get('kwargs', None), **extra)