Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a0158e17cead6f369ef5f45e348852bf1f7d3dcb2b7a3c5a01b48555657129ab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^