Flow price: --
89f765c5217f311328857ef2ef8e31cf91ce4e5d107d44a44f5644e91d7ad2ab

Transaction

Hash: 89f765c5217f311328857ef2ef8e31cf91ce4e5d107d44a44f5644e91d7ad2ab
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 89f765c5217f311328857ef2ef8e31cf91ce4e5d107d44a44f5644e91d7ad2ab: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:
89f765c5217f311328857ef2ef8e31cf91ce4e5d107d44a44f5644e91d7ad2ab
Status:
ERROR
Block height:
40151156
Block id:
914ca366bb16b20b797704f643f616b1405219383745b979cc168aaf296b7e9a
Timestamp:
Wednesday 2 November 2022 at 06:42:38 UTC
()
Proposer:
Authorizers:
Gas used:
50