Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 23c3cc668ce0c517675945a3da771f19d7fa8ce5069c9df6cf49ee3bb90dad08:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^