Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a2fa97d31994ab690ae6221302239e7601be6efb60cd8d1aac317ff229c6a79e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^