Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d29779af93300d2a9cb89eb1643db6fd5c7947f13669dbce82abd876deefa50a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^