Flow price: --
b4b463e2c1fa0529e735c5af7594bf6421a4dfb4f669cd6a0b892bf2a72c76f4

Transaction

Hash: b4b463e2c1fa0529e735c5af7594bf6421a4dfb4f669cd6a0b892bf2a72c76f4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4b463e2c1fa0529e735c5af7594bf6421a4dfb4f669cd6a0b892bf2a72c76f4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b4b463e2c1fa0529e735c5af7594bf6421a4dfb4f669cd6a0b892bf2a72c76f4
Status:
ERROR
Block height:
39786905
Block id:
fcae9b50a60b4daabc3cea223ea24c1e1b6c56279aa519fdce7972e9f8dbcc7a
Timestamp:
Thursday 27 October 2022 at 04:18:51 UTC
()
Proposer:
Authorizers:
Gas used:
50