I'm having a serious problem.

Meaning

I am experiencing a significant difficulty.

Examples

• John: I need your help, Alice. <b>I'm having a serious problem</b>.
• Alice: What's wrong? Tell me everything.
• John: I don't know how to solve this. It feels like <b>I'm having a serious problem</b>.
• Alice: Okay, let's break it down step by step. We'll figure it out together.