Internal Binding Error: this.input.charCodeAt is not a function

Error at parseCodeToAST: this.input.charCodeAt is not a function node:internal/process/esm_loader:108 internalBinding('errors').triggerUncaughtException( ^

TypeError: this.input.charCodeAt is not a function

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TypeError: this.input.charCodeAt is not a function at at.skipSpace (\js2flowchart\dist\js2flowchart.js:1:214760) at at.nextToken (\js2flowchart\dist\js2flowchart.js:1:213390) at at.parse (\js2flowchart\dist\js2flowchart.js:1:298151) at t.parse (\js2flowchart\dist\js2flowchart.js:1:299385) at Y (\js2flowchart\dist\js2flowchart.js:8:131355) at Object.buildAst (\js2flowchart\dist\js2flowchart.js:8:140579) at Object.build (\js2flowchart\dist\js2flowchart.js:8:140502) at file:////js2Flowchart.js:37:34 at ModuleJob.run (node:internal/modules/esm/module_job:193:25) at async Promise.all (index 0)