Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 19e4f22fefcb1ea5e1f05ef8660e4914731b8073886431a149019c5dcad53f88:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^