Flow price: --
7be082970e9efaccc3629b062d4e768f9008c704aa2f14b2899d2dfd7de65522

Transaction

Hash: 7be082970e9efaccc3629b062d4e768f9008c704aa2f14b2899d2dfd7de65522
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7be082970e9efaccc3629b062d4e768f9008c704aa2f14b2899d2dfd7de65522:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7be082970e9efaccc3629b062d4e768f9008c704aa2f14b2899d2dfd7de65522
Status:
ERROR
Block height:
40107904
Block id:
c10e69c73e66b3c9479e5d68147ed8347ca108992d87e40680350742749320da
Timestamp:
Tuesday 1 November 2022 at 13:06:59 UTC
()
Proposer:
Authorizers:
Gas used:
47