Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 526bd0edc0b3bbfdd326466d17b24ce803ddd13f0ea72b9696638171cc81ea4e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^