Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a28aadbdfcffdef93f3502bc8da406a9130e9beadf8e8a09a1f79bdca714fa1b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^