Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4ab2d2cd206d6bbd432f1e9f8be414022c5879067e2c6613000bebd9e93fd58c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^