Flow price: --
8d6ce1d379c7ac40d1352fdcd90d2596d4eeff998808a074155e946779458fff

Transaction

Hash: 8d6ce1d379c7ac40d1352fdcd90d2596d4eeff998808a074155e946779458fff
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8d6ce1d379c7ac40d1352fdcd90d2596d4eeff998808a074155e946779458fff: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:
8d6ce1d379c7ac40d1352fdcd90d2596d4eeff998808a074155e946779458fff
Status:
ERROR
Block height:
40138271
Block id:
84703c1b2c2072573a95997d3f8ad30d89cd783d8e4208947ff7623fb2ade068
Timestamp:
Wednesday 2 November 2022 at 01:28:28 UTC
()
Proposer:
Authorizers:
Gas used:
48