intermittant OAuth error

[HarlanH]

Looks like this, when attempting to log in.

Error: failed to find request token in session at Strategy.OAuthStrategy.authenticate (/app/node_modules/passport-meetup/node_modules/passport-oauth/lib/passport-oauth/strategies/oauth.js:124:54) at attempt (/app/node_modules/passport/lib/middleware/authenticate.js:341:16) at authenticate (/app/node_modules/passport/lib/middleware/authenticate.js:342:7) at callbacks (/app/node_modules/express/lib/router/index.js:164:37) at param (/app/node_modules/express/lib/router/index.js:138:11) at pass (/app/node_modules/express/lib/router/index.js:145:5) at Router._dispatch (/app/node_modules/express/lib/router/index.js:173:5) at Object.router (/app/node_modules/express/lib/router/index.js:33:10) at next (/app/node_modules/express/node_modules/connect/lib/proto.js:193:15) at resume (/app/node_modules/express/node_modules/connect/lib/middleware/static.js:65:7)