If a ritual seems to have failed, the first thing is not to pretend that it worked. Magical practice has never required self-deception. If the result you intended did not appear, it is reasonable to acknowledge that.
At the same time, ritual has never functioned like a machine where you press a button and obtain a guaranteed result. Sometimes the effect is indirect, delayed, or appears in a form different from what was imagined. Sometimes nothing happens at all. Both possibilities exist.
Traditionally the attitude is simple: perform the ritual carefully, release the expectation, observe what unfolds. If the intended result does not manifest, reflect on the operation — the clarity of the intention, the symbolism, the timing, your own state of mind.
Then you decide whether to try again, adjust the approach, or abandon that line of action altogether.
In other words, a ritual that does not produce the expected result is not something to deny. It is feedback.