The room went silent for a moment.
"I can't," Elias said, pointing to the ceiling. The camera—a heavy-duty PTZ unit—was mounted thirty feet up in a steel cage near the archive's skylight. "I need a ladder. And even if I reset it, if the SDK on the NVR is corrupted, the error will just replicate." hikvision error code hcnetsdkdll 23 better