Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5d515a7d983ec57ea45c891d6d3a9610c6ff4b2ff8ff60a0705e1983b48de401:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^