Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f5c8281fa6fd892ac510befc6bd006edd869344ab6dcf5444a96ed50cdae47f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^