I think there's something wrong with the '# Used' field for spontaneous spellcasting... It doesn't update the field sometimes, and only for some of my sheets? Getting the following error:
TypeError: Cannot set property 'spellclass-0-level-1-spells-per-day' of undefined at Object.eval (eval at messageHandler (sheetsandboxworker.js?20160926:266), <anonymous>:10094:36) at eval (eval at messageHandler (sheetsandboxworker.js?20160926:266), <anonymous>:656:83) at Function.m.each.m.forEach (sheetsandboxworker.js?20160926:5) at Object.eval [as -Kpk6aVpY68u1AH4W86K//repeating_spells_-kpklkzsufggqbx-del0//0.7658469764924036] (eval at messageHandler (sheetsandboxworker.js?20160926:266), <anonymous>:630:27) at _fullfillAttrReq (sheetsandboxworker.js?20160926:241) at messageHandler (sheetsandboxworker.js?20160926:273) sheetsandboxworker.js?20160926:293 TypeError: Cannot set property 'spellclass-0-level-1-spells-per-day' of undefined at Object.eval (eval at messageHandler (sheetsandboxworker.js?20160926:266), <anonymous>:10094:36) at eval (eval at messageHandler (sheetsandboxworker.js?20160926:266), <anonymous>:656:83) at Function.m.each.m.forEach (sheetsandboxworker.js?20160926:5) at Object.eval [as -Kpk6aVpY68u1AH4W86K//repeating_spells_-kpklkzsufggqbx-del0//0.7658469764924036] (eval at messageHandler (sheetsandboxworker.js?20160926:266), <anonymous>:630:27) at _fullfillAttrReq (sheetsandboxworker.js?20160926:241) at messageHandler (sheetsandboxworker.js?20160926:273)