Flow price: --
def8fcb67447d8fdd20c672f9150770a3b8c6bd39a99e94053a959d87cf86f91

Transaction

Hash: def8fcb67447d8fdd20c672f9150770a3b8c6bd39a99e94053a959d87cf86f91
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> def8fcb67447d8fdd20c672f9150770a3b8c6bd39a99e94053a959d87cf86f91:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
def8fcb67447d8fdd20c672f9150770a3b8c6bd39a99e94053a959d87cf86f91
Status:
ERROR
Block height:
39935876
Block id:
fd22be83339e638306b5fc7361171e839419079a31088b3ad31438ce58ad850c
Timestamp:
Saturday 29 October 2022 at 16:12:27 UTC
()
Proposer:
Authorizers:
Gas used:
57