Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> df02b52b320ad8085359b0b062b7231e6b348fbc7d9879a5f5eb36e52536cfa5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^