SSSeeni Sakthi Kumar Seeni Raj Syncfusion Team July 18, 2019 04:20 AM
Thanks for contacting Syncfusion support.
Base (ej2-base) package is not published in version 17.2.35 which caused the reported problem. Now, we have published the base packages. Please follow the steps the below to resolve the reported problem.
Delete package.lock.json file from your application.
Remove the @syncfusion package folder from the node_modules.