Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4dd9561e355d7154633963c66dd72ae9fde75f0c550781257c633762e7f6e48:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^