Flow price: --
ac667754875e7e7ce41fb1c50a4c734b8a313ad6243b359f5cdf50990da31b1e

Transaction

Hash: ac667754875e7e7ce41fb1c50a4c734b8a313ad6243b359f5cdf50990da31b1e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ac667754875e7e7ce41fb1c50a4c734b8a313ad6243b359f5cdf50990da31b1e: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:
ac667754875e7e7ce41fb1c50a4c734b8a313ad6243b359f5cdf50990da31b1e
Status:
ERROR
Block height:
40034493
Block id:
56978518e844d368d32070c770ad9810e43919896c861191cfe62caae33bef39
Timestamp:
Monday 31 October 2022 at 07:31:35 UTC
()
Proposer:
Authorizers:
Gas used:
54