Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f14f6add3e70549571ab6fea6ea0ceac9ec2254fc7457d77351b6a3ad8f2f43d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^