Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a5cf0c5f2f179610aa11870957b2ed6e6d6befe632606cc5b437fe95f9239e7e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^