Flow price: --
b39a57171c9f71fbc417f2bc35d4b91b3cba990d3ed7bd0aa734177ef9198168

Transaction

Hash: b39a57171c9f71fbc417f2bc35d4b91b3cba990d3ed7bd0aa734177ef9198168
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b39a57171c9f71fbc417f2bc35d4b91b3cba990d3ed7bd0aa734177ef9198168:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b39a57171c9f71fbc417f2bc35d4b91b3cba990d3ed7bd0aa734177ef9198168
Status:
ERROR
Block height:
39861676
Block id:
974a41a645b3a14b23d59debc216e86319bf90a45681f338906bebd2270ec568
Timestamp:
Friday 28 October 2022 at 10:29:14 UTC
()
Proposer:
Authorizers:
Gas used:
65