Flow price: --
8b250a427bddd7fa9a7f3f68ce1448d43858a562595ec6beabe1ba016e2a0d0c

Transaction

Hash: 8b250a427bddd7fa9a7f3f68ce1448d43858a562595ec6beabe1ba016e2a0d0c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8b250a427bddd7fa9a7f3f68ce1448d43858a562595ec6beabe1ba016e2a0d0c: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:
8b250a427bddd7fa9a7f3f68ce1448d43858a562595ec6beabe1ba016e2a0d0c
Status:
ERROR
Block height:
40150876
Block id:
cead586a478592a161a97f67aea480d5903ac8682168b1eaa6ec0ee04e5c6010
Timestamp:
Wednesday 2 November 2022 at 06:35:43 UTC
()
Proposer:
Authorizers:
Gas used:
50