Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7ddc153da2971099dd9406d4f9694b8dbcbde35530c68d72981fdac79bbb10d1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^