After test procedures have been executed and problems have been identified, the next step should be to implement appropriate changes to the code. This involves fixing the identified defects or issues based on the test results, followed by re-testing to ensure that the changes have resolved the issues without introducing new ones.
References:
* Kaner, C., Falk, J., & Nguyen, H. Q. (1999).Testing Computer Software.
* IEEE Standard for Software and System Test Documentation (IEEE 829-2008).