This is looking more and more like a NetSuite beauty: TypeError: a.toLowerCase is not a function at getFieldName (NLAPI.jsp__NS_VER=2019.1.0&minver=143&locale=en_US.nlqs:1) at Object.nlapiGetField (NLAPI.jsp__NS_VER=2019.1.0&minver=143&locale=en_US.nlqs:1) at doGetValue (N.js?NS_VER=2019.1.0&minver=143:52658) at DynamicRecord.getValue (N.js?NS_VER=2019.1.0&minver=143:52651) at saveRecord (scriptmodule.nl?_xt=.js&childPath=%2FSuiteScripts%2F360%2Fhhp-multiuse-client-script%2F360HHP_CL_MultiUseClientScript&parentPath=15afdgsadfgarfsdfsdf696059_%24Y%24.js:246) at doRunClientScript (NLAPI.jsp__NS_VER=2019.1.0&minver=143&locale=en_US.nlqs:1) at doCallClientScript (NLAPI.jsp__NS_VER=2019.1.0&minver=143&locale=en_US.nlqs:1) at nlapiSaveRecord (NLAPI.jsp__NS_VER=2019.1.0&minver=143&locale=en_US.nlqs:1) at _saverec (salesord.nl?id=1591&whence=&e=T:11387) at save_record (salesord.nl?id=1591&whence=&e=T:11735)