Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a39d023f50a2a54e9cc751a1162463996541e1980e849e9fa7fa1a87e581eb5a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^