Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 05060ed012d52f5b923e3fc88016b9d14dd987fb5ead42b4b8848a5d68724e2e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^