Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4edd65d0b08c1eb45a1204979952ea04f278ccf6ec335d3a5378a9f0d1bf210d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^