Avoid exception when loggin errors on migrator
Avoid exception when loggin errors on migrator

codeandtheory/cartodb,bloomberg/cartodb,bloomberg/cartodb,codeandtheory/cartodb,nuxcode/cartodb,bloomberg/cartodb,raquel-ucl/cartodb,codeandtheory/cartodb,nyimbi/cartodb,DigitalCoder/cartodb,thorncp/cartodb,CartoDB/cartodb,thorncp/cartodb,nyimbi/cartodb,nyimbi/cartodb,raquel-ucl/cartodb,nuxcode/cartodb,codeandtheory/cartodb,UCL-ShippingGroup/cartodb-1,bloomberg/cartodb,dbirchak/cartodb,raquel-ucl/cartodb,bloomberg/cartodb,DigitalCoder/cartodb,raquel-ucl/cartodb,splashblot/dronedb,nuxcode/cartodb,splashblot/dronedb,CartoDB/cartodb,future-analytics/cartodb,nyimbi/cartodb,CartoDB/cartodb,splashblot/dronedb,thorncp/cartodb,thorncp/cartodb,DigitalCoder/cartodb,thorncp/cartodb,splashblot/dronedb,dbirchak/cartodb,dbirchak/cartodb,dbirchak/cartodb,splashblot/dronedb,UCL-ShippingGroup/cartodb-1,CartoDB/cartodb,dbirchak/cartodb,future-analytics/cartodb,nyimbi/cartodb,future-analytics/cartodb,UCL-ShippingGroup/cartodb-1,codeandtheory/cartodb,future-analytics/cartodb,UCL-ShippingGroup/cartodb-1,nuxcode/cartodb,raquel-ucl/cartodb,CartoDB/cartodb,future-analytics/cartodb,DigitalCoder/cartodb,nuxcode/cartodb,UCL-ShippingGroup/cartodb-1,DigitalCoder/cartodb