Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6fd2d3e386f10d8c4694086dfa0bb665a81cbc3ec71881bdab59e11cfcc28d64:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^