You can only save numerical arrays, not individual variables. However, all you need to do to solve this is place the value you want to save in an array. Like this...
DIM SAVARR[1]
SAVARR[0]=MONEY
SAVE "DAT:RECORDS",SAVARR
When loading it back up, you also need to use an array. Remember that.
1そうだね プレイ済み