Flow price: --
a75398aa21e363acea12bb5d40f0dc373d743fac69f54deb3224dcdf0fc9202e

Transaction

Hash: a75398aa21e363acea12bb5d40f0dc373d743fac69f54deb3224dcdf0fc9202e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a75398aa21e363acea12bb5d40f0dc373d743fac69f54deb3224dcdf0fc9202e: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:
a75398aa21e363acea12bb5d40f0dc373d743fac69f54deb3224dcdf0fc9202e
Status:
ERROR
Block height:
39989624
Block id:
04320e34b27f0370d038baf78d89fc798ce4eb5ebe5af5da499527831cd3da32
Timestamp:
Sunday 30 October 2022 at 13:36:51 UTC
()
Proposer:
Authorizers:
Gas used:
49