Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1ee8cc094d81c19d74f8e571d5228d395c894783d2a9ab5ed5cf4213892f5d5d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^