Is it correct to say “I just received a text from GIG logistics that my shipment has arrived port harcourt, so I’m heading to their office to pick up” can it be rephrased? What does it mean?

Yes, that sentence can be rephrased for clarity and grammatical accuracy. Here’s a revised version: "I just received a text from GIG Logistics informing me that my shipment has arrived in Port Harcourt, so I'm heading to their office to pick it up." ### Meaning: The sentence communicates that the speaker received a notification from GIG Logistics, a logistics company, indicating that their shipment has reached the location of Port Harcourt. As a result, the speaker plans to go to the company's office to collect the shipment.