Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e0034b46da6079582b8f374b879ce4dbeb176ba8af6640fd6647e861ec534443:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^