Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d15724dc23c4511294afca248a4a0f37a1ed5b90fc000f4f4985f94ab18477bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^