Error about Data Pattern Generator opening

Hello,

I'm encountering an error while running ".tcl" file through system console in Quartus Prime.

I'm trying to verify the signal integrity of my data using BER.

The error message indicates that the "data_pattern_generator" is not opening correctly.

I would like to know if I made any mistakes causing this error, whether it is a hardware of software issue, and if there are any specific step I need to take to you this function.

additionally, please let me know if there is any additional information I should provide to help identify the problem.

I am using a Stratix V FPGA and Quartus version 22.1

Below is error status in system console window, so please refer to it.

(If you need to verify my tcl file, please let me know and I'll attach it)

Thank you for your help in advance.

Message :

data_pattern_generator_is_generating: /devices/5SGXEA7H(1|2|2ES|3|3ES)..@1#USB-0(link)/JTAG/sld_hub.node_0.master/data_pattern_generator_0.csr_slave/driver is not an open data_pattern_generator service.