Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8c93529ca4021169ff3f7cce9c370eb9db009812d73cf9bc3c16f6f1efcac7c2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^