Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 11c12adfc098f9aecde3846d5cc7c8493d7af31f28d69d6373c020fd8dd1bb85:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^