Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ed4441c1e1bd3130d36d2b0dfb689d7e847c16fa063b4edf527549792ba97c98:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^