When an error occurs during an operation in Appeon Developer, you may want to exit Appeon Developer completely before restarting the operation.
Solution: Kill all of the following execution files in the task manager: EonADT61.exe, EonCIS60.exe, EonADeploy60.exe, EonDWSQL80J.exe (or EonDWSQL90J.exe, or EonDWSQL100J.exe, orEonDWSQL110J.exe), EonDWSQL80.exe (or EonDWSQL90.exe, or EonDWSQL100.exe, or EonDWSQL110.exe), EonPerReport60.exe, Eoninfomng60.exe, EonJsLog60.exe, screnc.exe and EonUFATool60.exe.