Flow price: --
ca2c5725d5987e43c8cb040cd60ed006025149d8a7a8b2e9c1abf7be08ee6cb3

Transaction

Hash: ca2c5725d5987e43c8cb040cd60ed006025149d8a7a8b2e9c1abf7be08ee6cb3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ca2c5725d5987e43c8cb040cd60ed006025149d8a7a8b2e9c1abf7be08ee6cb3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ca2c5725d5987e43c8cb040cd60ed006025149d8a7a8b2e9c1abf7be08ee6cb3
Status:
ERROR
Block height:
39896650
Block id:
4e832b3034cdf381dca0f5a52c29cadc2ce925cb19ee4172f5ade01912a41641
Timestamp:
Saturday 29 October 2022 at 00:25:57 UTC
()
Proposer:
Authorizers:
Gas used:
48