Description
This error may be seen in the Quartus® II software version 15.0, when the Avalon Error Response Slave IP is used with the Debug CSR option enabled.
Resolution
To workaround this problem make the following edits to line 264 of: <install>/ip/altera/merlin/altera_error_response_slave/altera_error_response_slave_hw.tcl
--before
set_interface_property debug_csr_irq associatedAddressablePoint av
--after
set_interface_property debug_csr_irq associatedAddressablePoint debug_csr
This problem is scheduled to be fixed in a future version of the Quartus II Software.