Flow price: --
7209ffa522a9a93f3108bf89633dc01a0bc090805f585ed6a3189d9fad13a929

Transaction

Hash: 7209ffa522a9a93f3108bf89633dc01a0bc090805f585ed6a3189d9fad13a929
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7209ffa522a9a93f3108bf89633dc01a0bc090805f585ed6a3189d9fad13a929:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7209ffa522a9a93f3108bf89633dc01a0bc090805f585ed6a3189d9fad13a929
Status:
ERROR
Block height:
39914109
Block id:
c23fd1313b36922577910aa8be0a6fcb9c4ea08a2be0dd88c093a4a67d3103d7
Timestamp:
Saturday 29 October 2022 at 07:25:17 UTC
()
Proposer:
Authorizers:
Gas used:
46