Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5b1ceb1074b6004a390ea711cd0c55e6b33bad4410dd2efa0f1201be68ba29e1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^