have no intention to / didn't mean to ~
States that the speaker has no intention of doing something or did not mean for something to happen.
This pattern expresses that you had no intention of doing something, or that a result was not what you meant to cause. It often appears in defensive or explanatory contexts, like when someone misunderstands your actions. The verb is always in the past tense, even if the feeling is about the present or future, because it refers to the action or event in question.
When used with verbs like 言う (to say) or 傷つける (to hurt), it conveys 'I didn't mean to...' as a way to apologize or clarify. When used with verbs like 行く (to go) or 参加する (to participate), it can mean 'I have no intention of...' for a future action, but the past tense form is still used as a set pattern.
This is a formal, somewhat stiff expression. It is more common in written Japanese or in serious spoken situations. In casual conversation, you'd often hear つもりない (dropping は) or simpler phrases like する気はない.