I searched for a long time and finally got something and solved the same problem for me. For those who still need:
In build settings> Another linker flag:
Perhaps the flag is different from Debug and others.
Try changing where $(TARGET_BUILD_DIR) is $(BUILT_PRODUCTS_DIR) .
For me, I changed $(TARGET_BUILD_DIR)/libPods.a to $(BUILT_PRODUCTS_DIR)/libPods.a and the problem was resolved.
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