Entity, search by string / extractDatingSections: searchString throws TypeError
Error message in Playground for any query with searchString "kaiserzeitlich"
"TypeError: Cannot read property 'forEach' of undefined",
" at extractDatingSections (.../ltc_hub/src/datingExtraction.js:27:14)",
" at EntityAPI.entityReducer (.../ltc_hub/src/datasources/entity.js:35:35)",
" at EntityAPI.getEntityById (.../ltc_hub/src/datasources/entity.js:63:21)",
" at process._tickCallback (internal/process/next_tick.js:68:7)"