Getting an error "Illegal attempt to access class 'com.glide.choice' or Illegal attempt to access class 'com.glide.util'" when opening a form or utilizing filters on a listIssue Users getting illegal attempt to access class 'com.glide.choice' or Illegal attempt to access class 'com.glide.util' when opening a form or utilizing filters on a list. ReleaseAll releasesCauseCaused by one or more macros that are using "Packages.com.glide.choice.ChoiceList()" or "Packages.com.glide.util.Guid.generate(null)" call. Example for ChoiceList: var templates_list = new Packages.com.glide.choice.ChoiceList(); Example for util.Guid: <j:set var="jvar_random_id" value="${new Packages.com.glide.util.Guid.generate(null)}" /> Resolution1) Navigate to sys_ui_macro.list and find any XML that contains "Packages.com.glide.choice.ChoiceList()" or "Packages.com.glide.util.Guid.generate(null)" call. 2) For the records that are returned from the search above, replace "Packages.com.glide.choice.ChoiceList()" with just "new GlideChoiceList()" For example from: var templates_list = new Packages.com.glide.choice.ChoiceList(); To: var templates_list = new GlideChoiceList(); 3) For the records that are returned from the search above, replace "Packages.com.glide.util.Guid.generate(null)" with just "new GlideGuid.generate(null)" For example from: <j:set var="jvar_random_id" value="${new Packages.com.glide.util.Guid.generate(null)}" /> To: <j:set var="jvar_random_id" value="${new GlideGuid.generate(null)}" /> The use of "Packages.com.glide.choice.ChoiceList or Packages.com.glide.util.Guid.generate() is no longer allowed and hence the error message is thrown. Related LinksA similar use case is documented in KB0694685