I'm running NodeBB 1.5.3 on AWS and I keep getting this error in the logs

Render failed for template /edx/app/community/nodebb-platform/build/public/templates/footer.jst:
 TypeError: Render failed for template /edx/app/community/nodebb-platform/build/public/templates/footer.jst:
 templateFunction is not a function
    at runtime (/edx/app/community/nodebb-platform/node_modules/benchpressjs/build/lib/runtime.js:64:16)
    at render (/edx/app/community/nodebb-platform/node_modules/benchpressjs/build/lib/express.js:11:20)
    at Object.__express (/edx/app/community/nodebb-platform/node_modules/benchpressjs/build/lib/express.js:33:5)
    at /edx/app/community/nodebb-platform/src/webserver.js:134:15
    at /edx/app/community/nodebb-platform/src/middleware/index.js:205:12
    at nextTask (/edx/app/community/nodebb-platform/node_modules/async/dist/async.js:5297:14)
    at next (/edx/app/community/nodebb-platform/node_modules/async/dist/async.js:5304:9)
    at /edx/app/community/nodebb-platform/node_modules/async/dist/async.js:906:16
    at /edx/app/community/nodebb-platform/src/file.js:101:3
    at FSReqWrap.oncomplete (fs.js:153:5)

Can someone please tell me whey this occurs?

This occurs on one of the servers in a load balanced environment where there are 2 servers running. If I increase the server count to 4 then out of those 4, 2 servers are having this exception. Servers in our load balanced environment are using redis for pub/sub, MongoDB as the primary database. Sticky sessions are enabled with stickiness time set to 30 seconds. The servers use the same AMI image.

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asamolion