Flow price: --
d153b68a8ea377dbd253ea9908953cce99cdfa8e251224e14cc818409712f8d2

Transaction

Hash: d153b68a8ea377dbd253ea9908953cce99cdfa8e251224e14cc818409712f8d2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d153b68a8ea377dbd253ea9908953cce99cdfa8e251224e14cc818409712f8d2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d153b68a8ea377dbd253ea9908953cce99cdfa8e251224e14cc818409712f8d2
Status:
ERROR
Block height:
39808133
Block id:
f2036cdac2df91fb5fb3437c1bf53a7d4c237487c2c8c65c1547dd61a4303428
Timestamp:
Thursday 27 October 2022 at 12:52:35 UTC
()
Proposer:
Authorizers:
Gas used:
48