Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d97dc770e68d55f689bc725be5fbf46e79a246314334c8226ff267180ea26cab:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^