Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c3e20d07d775d1083d3ebf54a4f07d63b13f88524d9feb4d55ea36d66554d524:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^