Flow price: --
1a8f9e486ca9d7ba7010222bf852af23c9f0e905fd95f91729c5ec18b1a0bf5f

Transaction

Hash: 1a8f9e486ca9d7ba7010222bf852af23c9f0e905fd95f91729c5ec18b1a0bf5f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a8f9e486ca9d7ba7010222bf852af23c9f0e905fd95f91729c5ec18b1a0bf5f: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:
1a8f9e486ca9d7ba7010222bf852af23c9f0e905fd95f91729c5ec18b1a0bf5f
Status:
ERROR
Block height:
39909278
Block id:
e41fbef5be73b36b142966d1904da8c46122fe79b16df0191777d7026c059fe7
Timestamp:
Saturday 29 October 2022 at 05:28:11 UTC
()
Proposer:
Authorizers:
Gas used:
48