invalid csrf token errors in log v0.6.1-dev

[pichalite]

Don't know why but I keep seeing these errors in the log file.

4/2 02:14 [12581] - error: /login
 Error: invalid csrf token
    at verifytoken (/path-to-nodebb/node_modules/csurf/index.js:237:11)
    at csrf (/path-to-nodebb/node_modules/csurf/index.js:100:7)
    at Layer.handle [as handle_request] (/path-to-nodebb/node_modules/express/lib/router/layer.js:82:5)
    at next (/path-to-nodebb/node_modules/express/lib/router/route.js:110:13)
    at Route.dispatch (/path-to-nodebb/node_modules/express/lib/router/route.js:91:3)
    at Layer.handle [as handle_request] (/path-to-nodebb/node_modules/express/lib/router/layer.js:82:5)
    at /path-to-nodebb/node_modules/express/lib/router/index.js:267:22
    at Function.proto.process_params (/path-to-nodebb/node_modules/express/lib/router/index.js:321:12)
    at next (/path-to-nodebb/node_modules/express/lib/router/index.js:261:10)
    at Function.proto.handle (/path-to-nodebb/node_modules/express/lib/router/index.js:166:3)
4/2 02:46 [12581] - error: /register
 Error: invalid csrf token
    at verifytoken (/path-to-nodebb/node_modules/csurf/index.js:237:11)
    at csrf (/path-to-nodebb/node_modules/csurf/index.js:100:7)
    at Layer.handle [as handle_request] (/path-to-nodebb/node_modules/express/lib/router/layer.js:82:5)
    at next (/path-to-nodebb/node_modules/express/lib/router/route.js:110:13)
    at Route.dispatch (/path-to-nodebb/node_modules/express/lib/router/route.js:91:3)
    at Layer.handle [as handle_request] (/path-to-nodebb/node_modules/express/lib/router/layer.js:82:5)
    at /path-to-nodebb/node_modules/express/lib/router/index.js:267:22
    at Function.proto.process_params (/path-to-nodebb/node_modules/express/lib/router/index.js:321:12)
    at next (/path-to-nodebb/node_modules/express/lib/router/index.js:261:10)
    at Function.proto.handle (/path-to-nodebb/node_modules/express/lib/router/index.js:166:3)

[a_5mith]

Make sure your themes are latest and greatest. And any Plugins too. Run npm up in the nodebb folder to make sure.