Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 93bea087b3cf16cdd1cfabe26a023dc36c9d882ab05b2d6174e6f727feaf99f2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^