Error occurs in Part Structure Browser in Windchill PDMLink

• Error "Cannot read properties of null" occurs in Part Structure Browser
• After migrating to Windchill 12, when accessing Part Structure tab, below error is shown in UI:

• Method Server and browser console logs show below error respectively when accessing Part Structure tab:

ERROR [***] com.ptc.cat.config.server.AbstractComponentConfigBuilder ***- Error getting table config based on table views with session locale 'en_US' java.lang.NullPointerException
at com.ptc.windchill.enterprise.part.psb.server.PSBTreeConfigBuilder.getActiveNavigationTypes(PSBTreeConfigBuilder.java:289)

SEVERE: TreeController[PSB.tree].handleEvent() - Exception thrown while handling client MVC event.
com.google.gwt.core.client.JavaScriptException: (TypeError) : Cannot read properties of null (reading 'structureDefinitions')

• Even after loading the Preferences mentioned in article CS329876, the error is still displayed in Part Structure Browser
• When click Part Structure > Uses tab error occurs 

  java.lang.NullPointerException
          at Unknown.QTb(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.eUb(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.iUb(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.new sJo(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.f2o(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.$Jo(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.xyf(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.Fyf(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.yyf(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.Gyf(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.fGg(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.rGg(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.wIg(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.dSo(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.gHg(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.yHg(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.hIg(com.ptc.windchill.wncgwt.WncGWT-0.js)
          at Unknown.xHg(com.ptc.windchill.wncgwt.WncGWT-0.js)