Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 05e13f8f86830e15bcfabb32c89ece52d93f54d9a6be4e5f5e2fa094aa2ab70b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^