Replying to this post as I'm having the same issue with my 5e OGL sheet. Using the latest version of chrome with no extensions, I see the following in the console when I try an unarmed attack: app.js?1530126827:358 Finished after going 4 levels deep.
app.js?1530126827:358 Begin processing op!
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Levels deep: 1
app.js?1530126827:358 Finished 2
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 There's a nested inline roll in here. Ignore for now
app.js?1530126827:358 Finished 3
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Finished 4
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Finished 5
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Finished 6
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Finished 7
app.js?1530126827:358 Levels deep: 1
app.js?1530126827:358 Substituting for 7
app.js?1530126827:357 SyntaxError {name: "SyntaxError", expected: Array(13), found: "g", message: "Expected "(", ".", "[", "abs(", "ceil(", "d", "flo… "t", "{", [ |\t], [+|\-] or [0-9] but "g" found.", offset: 2, …}
app.js?1530126827:357 Uncaught SyntaxError {name: "SyntaxError", expected: Array(13), found: "g", message: "Expected "(", ".", "[", "abs(", "ceil(", "d", "flo… "t", "{", [ |\t], [+|\-] or [0-9] but "g" found.", offset: 2, …}
fallbackErrorHandler @ app.js?1530126827:357
process @ app.js?1530126827:358
s @ app.js?1530126827:358
(anonymous) @ app.js?1530126827:358
a @ app.js?1530126827:358
c @ app.js?1530126827:358
(anonymous) @ app.js?1530126827:358
(anonymous) @ app.js?1530126827:358
(anonymous) @ app.js?1530126827:358
setTimeout (async)
(anonymous) @ app.js?1530126827:358
TaskCompletionCallback.taskComplete @ app.js?1530126827:357
(anonymous) @ app.js?1530126827:358
initiateRolls @ app.js?1530126827:357
process @ app.js?1530126827:358
s @ app.js?1530126827:358
(anonymous) @ app.js?1530126827:358
a @ app.js?1530126827:358
c @ app.js?1530126827:358
a @ app.js?1530126827:358
c @ app.js?1530126827:358
a @ app.js?1530126827:358
c @ app.js?1530126827:358
a @ app.js?1530126827:358
c @ app.js?1530126827:358
a @ app.js?1530126827:358
c @ app.js?1530126827:358
a @ app.js?1530126827:358
c @ app.js?1530126827:358
a @ app.js?1530126827:358
c @ app.js?1530126827:358
a @ app.js?1530126827:358
S @ app.js?1530126827:358
(anonymous) @ app.js?1530126827:358
k.each.k.forEach @ base.js?1530045787:6
E @ app.js?1530126827:358
R @ app.js?1530126827:358
k @ app.js?1530126827:358
k @ app.js?1530126827:358
k @ app.js?1530126827:358
k @ app.js?1530126827:358
d20.textchat.doChatInput @ app.js?1530126827:358
(anonymous) @ app.js?1530126827:351
dispatch @ jquery-1.9.1.js:3074
elemData.handle @ jquery-1.9.1.js:2750
app.js?1530126827:358 Finished 0
app.js?1530126827:358 Levels deep: 0
app.js?1530126827:358 Finished 1
app.js?1530126827:358 Levels deep: 0