Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7390c6dc8c2fe6a85bd1315d3d203ba2bf4e68a071987067745b1f89d838bc85:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^