Please check the following settings: Open Device Configuration and click on Memory Flash. Change Concatenation to false:
Now try to flash the ECU again and check if the CLEAR_MEMORY command is sent by CANape.
The setting can also be changed by editing the CANape.INI file:
This applies to all CANape versions up to and including version 11.0. With newer versions (>= 12.0) the concatenation check box is not displayed anymore but the functionality is still available. Instead it can be enabled or disabled by editing the CANape.INI file only: