Flow price: --
4c053f20e93dd912fd152941e069eb6a468c76beb570261f48d1adb51aa4f84c

Transaction

Hash: 4c053f20e93dd912fd152941e069eb6a468c76beb570261f48d1adb51aa4f84c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4c053f20e93dd912fd152941e069eb6a468c76beb570261f48d1adb51aa4f84c: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:
4c053f20e93dd912fd152941e069eb6a468c76beb570261f48d1adb51aa4f84c
Status:
ERROR
Block height:
40111217
Block id:
902e4d790abff3cb8233f8132248fd76186ddbd19d4cd8f31fae1ca83f4fac81
Timestamp:
Tuesday 1 November 2022 at 14:27:23 UTC
()
Proposer:
Authorizers:
Gas used:
47