concurrent assignment to a non net 'a' is not permitted

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1. 【FPGA】[VRFC 10-3236] concurrent assignment to a non-net ‘data_out’ is

   

2. Verilog: Prohibition of simultaneous assignment to a non-net

   

3. Verilog Tips 1:TestBench编写注意事项【concurrent assignment to a non-net ‘xxxx

   

4. Verilog Tips 1:TestBench编写注意事项【concurrent assignment to a non-net ‘xxxx

   

5. vivado仿真报错：concurrent assignment to a non-net led is not permitted-CSDN博客

   

6. Verilog Tips 1:TestBench编写注意事项【concurrent assignment to a non-net ‘xxxx