Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> eb1e779136dd7068b4435780057ba561d70ad2e84c228dfaf03ab900dcf8680b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^