Flow price: --
9391d2b3375cc22f2b916c2a31492c4fa45f42835e74427be041109d8b80d38f

Transaction

Hash: 9391d2b3375cc22f2b916c2a31492c4fa45f42835e74427be041109d8b80d38f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9391d2b3375cc22f2b916c2a31492c4fa45f42835e74427be041109d8b80d38f:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9391d2b3375cc22f2b916c2a31492c4fa45f42835e74427be041109d8b80d38f
Status:
ERROR
Block height:
40106392
Block id:
554e7d77f569f705c14c5324025fe65db5436a92627e0eaa87e2f5cac744dd38
Timestamp:
Tuesday 1 November 2022 at 12:30:19 UTC
()
Proposer:
Authorizers:
Gas used:
47