Flow price: --
f6519968f966fd86f400c1fb4680f9faad11180be9cb5679572155140eb9417e

Transaction

Hash: f6519968f966fd86f400c1fb4680f9faad11180be9cb5679572155140eb9417e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f6519968f966fd86f400c1fb4680f9faad11180be9cb5679572155140eb9417e: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:
f6519968f966fd86f400c1fb4680f9faad11180be9cb5679572155140eb9417e
Status:
ERROR
Block height:
39850774
Block id:
c8de9b85429e06f5ce830739799beed4142ce974d76336059477cd8e87f68c9e
Timestamp:
Friday 28 October 2022 at 06:04:14 UTC
()
Proposer:
Authorizers:
Gas used:
49