Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6d7ed8813cff8b4907de6b361f5dd6497f33775d2324127ade5aae7d72fbbf1c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^