error

[lex93ushakov]

GET Retrieving ID: 5808e2461a08412870dd004e
/home/lex93ushakov/lab/mongoStudy/express-node-mongo-skeleton/routes/blobs.js:153
              var blobdob = blob.dob.toISOString();
                                    ^

TypeError: Cannot read property 'toISOString' of null
    at /home/lex93ushakov/lab/mongoStudy/express-node-mongo-skeleton/routes/blobs.js:153:37
    at /home/lex93ushakov/lab/mongoStudy/express-node-mongo-skeleton/node_modules/mongoose/lib/query.js:1164:16
    at /home/lex93ushakov/lab/mongoStudy/express-node-mongo-skeleton/node_modules/kareem/index.js:101:16
    at _combinedTickCallback (internal/process/next_tick.js:67:7)
    at process._tickCallback (internal/process/next_tick.js:98:9)