If JSON Response is Null, Send it to TRUE Branch

Questions
6

And I’m getting this Error while using Google Sheets Node

ERROR: error:0909006C:PEM routines:get_name:no start line

Error: error:0909006C:PEM routines:get_name:no start line
    at Sign.sign (internal/crypto/sig.js:105:29)
    at Object.sign (/usr/local/lib/node_modules/n8n/node_modules/jwa/index.js:152:45)
    at Object.jwsSign [as sign] (/usr/local/lib/node_modules/n8n/node_modules/jws/lib/sign-stream.js:32:24)
    at Object.module.exports [as sign] (/usr/local/lib/node_modules/n8n/node_modules/jsonwebtoken/sign.js:204:16)
    at Object.getAccessToken (/usr/local/lib/node_modules/n8n/node_modules/n8n-nodes-base/dist/nodes/Google/Sheet/GenericFunctions.js:65:27)
    at Object.googleApiRequest (/usr/local/lib/node_modules/n8n/node_modules/n8n-nodes-base/dist/nodes/Google/Sheet/GenericFunctions.js:29:59)
    at GoogleSheet.getData (/usr/local/lib/node_modules/n8n/node_modules/n8n-nodes-base/dist/nodes/Google/Sheet/GoogleSheet.js:25:68)
    at GoogleSheet.convertStructuredDataToArray (/usr/local/lib/node_modules/n8n/node_modules/n8n-nodes-base/dist/nodes/Google/Sheet/GoogleSheet.js:216:42)
    at GoogleSheet.appendSheetData (/usr/local/lib/node_modules/n8n/node_modules/n8n-nodes-base/dist/nodes/Google/Sheet/GoogleSheet.js:97:33)
    at Object.execute (/usr/local/lib/node_modules/n8n/node_modules/n8n-nodes-base/dist/nodes/Google/Sheet/GoogleSheets.node.js:556:38)

I followed these things mentioned in this post. But It didn’t help.