Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ddbcf4d2f285427e4f3ca031a86aa4c3390cad80226a5dafdf54afb225ca176e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^