This error keeps popping up from Clmind, any ideas to fix?

https://www.npmjs.com/package/clmind This is the package I'm using.```/root/learnyfun/learny/node_modules/clmind/lib/mind.js:169var incomingLinks = this.cn.getNodeToLinks(phraseNodes[0].id);^TypeError: Cannot read property 'id' of undefinedat Mind.generateBackward (/root/learnyfun/learny/node_modules/clmind/ lib/mind.js:169:63)at Mind.generateBackward (/root/learnyfun/learny/node_modules/clmind/ lib/mind.js:197:17)at Mind.generateBackward (/root/learnyfun/learny/node_modules/clmind/ lib/mind.js:197:17)at Mind.generateBackward (/root/learnyfun/learny/node_modules/clmind/ lib/mind.js:197:17)at Mind.generateBackward (/root/learnyfun/learny/node_modules/clmind/ lib/mind.js:197:17)at Mind.generateBackward (/root/learnyfun/learny/node_modules/clmind/ lib/mind.js:197:17)at Mind.generateBackward (/root/learnyfun/learny/node_modules/clmind/ lib/mind.js:197:17)at Mind.generateBackward (/root/learnyfun/learny/node_modules/clmind/ lib/mind.js:197:17)at Mind.generateBackward (/root/learnyfun/learny/node_modules/clmind/ lib/mind.js:197:17)at Mind.generateBackward (/root/learnyfun/learny/node_modules/clmind/ lib/mind.js:197:17)root@DPP-EP-NodeJS:~/learnyfun/learny#```

Submitted April 21, 2019 at 01:34AM by EuphoricPenguin22