You need to restart the system after deleting the completion function cache of the script development API used in e Builder.
Cache information is stored in the following folder. Carry out restart after deleting the folder.
%A path of the work space in use%/.metadata/.plugins/org.eclipse.dltk.mod.core/WorkspaceJsLib
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iAP/Accel Extensions/intra-mart e Builder for Accel Platform/2015 Summer
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FAQID:562