Shēngjí hòu bìxū jiějué ruǎnjiàn de bùjiānróngxìng wèntí.
After upgrading, software incompatibility issues must be resolved.
Tips
grammar
Built from 兼容 (compatible) + negation 不 + nominalizer 性 (-ness/-ity). The same 性 suffix turns adjectives into abstract nouns: 可能性 (possibility), 灵活性 (flexibility).
