Flow price: --
947b6e3107cccbdb306550cd87e19572ef51beb42ac5c91128f5317e498be198

Transaction

Hash: 947b6e3107cccbdb306550cd87e19572ef51beb42ac5c91128f5317e498be198
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 947b6e3107cccbdb306550cd87e19572ef51beb42ac5c91128f5317e498be198:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
947b6e3107cccbdb306550cd87e19572ef51beb42ac5c91128f5317e498be198
Status:
ERROR
Block height:
39868380
Block id:
c4bdee3af4b41cc4cc5311b04d60e672dd2dd53ba3174d47a9f8a769670dd028
Timestamp:
Friday 28 October 2022 at 13:10:50 UTC
()
Proposer:
Authorizers:
Gas used:
47