Flow price: --
ca31f4e7cff610d7c3223f68e70cc7fb35a13282eb71dc32c3b5afed88c5c3b3

Transaction

Hash: ca31f4e7cff610d7c3223f68e70cc7fb35a13282eb71dc32c3b5afed88c5c3b3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ca31f4e7cff610d7c3223f68e70cc7fb35a13282eb71dc32c3b5afed88c5c3b3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ca31f4e7cff610d7c3223f68e70cc7fb35a13282eb71dc32c3b5afed88c5c3b3
Status:
ERROR
Block height:
39801236
Block id:
ed3c4e6d6bebbdc457576690ae076d9ab3b09ae8cfbc6f8d256306a0289bb2c0
Timestamp:
Thursday 27 October 2022 at 10:04:53 UTC
()
Proposer:
Authorizers:
Gas used:
60