What is the problem/conflict of Sonnet 122 by William Shakespeare? How do you know?

The Sonnet 122 of William Shakespeare talks about how an artist will always remember the love that inspires their work."Full character'd with lasting memory". The main problem he addressed was that keeping his words written down could make him forget the love and inspiration he felt while creating his poems. We can refer to the main problem in his final stanza with this lines:

To keep an adjunct to remember thee

Were to import forgetfulness in me.