Flow price: --
a0522d64c71ff1838f5106a9b2e20e62f0c6accf767141ef656f7ff45c197bc2

Transaction

Hash: a0522d64c71ff1838f5106a9b2e20e62f0c6accf767141ef656f7ff45c197bc2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a0522d64c71ff1838f5106a9b2e20e62f0c6accf767141ef656f7ff45c197bc2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a0522d64c71ff1838f5106a9b2e20e62f0c6accf767141ef656f7ff45c197bc2
Status:
ERROR
Block height:
39920618
Block id:
7d90e3baf492f6b703b484169320832b8a8267be8f02fac71b9947e8be16efc3
Timestamp:
Saturday 29 October 2022 at 10:01:42 UTC
()
Proposer:
Authorizers:
Gas used:
50