Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> eb52013d813f07feeed62bc7285da1c27b624ec92087251d0dd959bdc3e1bcdf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^