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[Node.Js] squel.js:167 throw _iteratorError2; ^ ReferenceError: Symbol is not defined

When you are using nodejs on RHEL 6.7 with the following version of default RHEL 6.7 repo,

"node":"0.10.41","npm":"1.4.29"

This is basically a version mismatch of squel library with node. So you just need to downgrade the squel version  or upgrade the nodjs version. Upgrading over 0.10.X in RHEL 6.7 is tough without custom build or some online rpm.

Error:

/usr/eyeball/auth_server/node_modules/squel/squel.js:167        throw _iteratorError2;              ^ReferenceError: Symbol is not defined    at _registerValueHandler (/usr/eyeball/auth_server/node_modules/squel/squel.js:148:36)    at Object._buildSquel.cls.registerValueHandler (/usr/eyeball/auth_server/node_modules/squel/squel.js:294:5)    at _buildSquel (/usr/eyeball/auth_server/node_modules/squel/squel.js:1222:7)    at /usr/eyeball/auth_server/node_modules/squel/squel.js:2971:13    at object (/usr/eyeball/auth_server/node_modules/squel/squel.js:5:22)    at Object.<anonymous> (/usr/eyeball/auth_server/node_modules/squel/squel.js:9:2)   at Module._compile (module.js:456:26)    at Object.Module._extensions..js (module.js:474:10)    at Module.load (module.js:356:32)    at Function.Module._load (module.js:312:12)error: Forever detected script exited with code: 8

Solution:
Remove the previous squel by,
npm uninstall squel
Then install the correct version
npm install squel@4.3.3
Thats it!
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