Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6c187c754a35d5d7c4c919dc0771f7ab70b3a56652a3f56f3f077c904c13f02c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^