Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4fbbf56b54f38e5b993461082c0abc71e4cfb64d0fd90eb599159c2ca8c61b6d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^