Flow price: --
526c558922155779364c38c8a7d95a9996fb0e4c8b96d0e86d755be1a672fd18

Transaction

Hash: 526c558922155779364c38c8a7d95a9996fb0e4c8b96d0e86d755be1a672fd18
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 526c558922155779364c38c8a7d95a9996fb0e4c8b96d0e86d755be1a672fd18:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
526c558922155779364c38c8a7d95a9996fb0e4c8b96d0e86d755be1a672fd18
Status:
ERROR
Block height:
40132634
Block id:
987427126a2ff64a5c0ee4e46d7951d34a3d32124d91585b73d25b8696b944df
Timestamp:
Tuesday 1 November 2022 at 23:11:28 UTC
()
Proposer:
Authorizers:
Gas used:
48