Show me the first time it is recorded that any Father of the Church complained about the practice of asking saints for their intercession.
If no Father of the Church complained about it, it must not have been an innovation.
Wow! Paul said if anyone teaches a different gospel then they did that teacher was to be considered accursed. It's incumbent on Catholics to show where the apostles taught what they teach. Please see post
169 about what your church fathers said about believing something not found in scripture.