Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a7299e2befbe2c18ec2c8934372e3926ae554c147fe85b55d4adf1513d89efa4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^