string problem

[lulateamo]

What does this mean in my log: An error occurred in the base update loop: System.Exception: New day error: --------------- The index and length must refer to a location within the string. Parameter name: length in System.String.Substring(System.Int32 startIndex, length System.Int32) [0x0004c] in <97c6c40360454c158c014ee803ea6785>:0 in StardewValley.Dialogue.checkEmotions() [0x002d9] in <f85b57935ed348 04b8 86108855fd5195>:0 in StardewValley. Dialogue.checkForSpecialDialogueAttributes() [0x0006c] at :0 at StardewValley.Dialogue..ctor(System.String masterDialogue, StardewValley.NPC speaker) [0x0002b] at <f85b57935ed34 804b886108855fd5195>:0 in StardewValley.NPC.tryToRetrieveDialogue (System. String Preface, System.Int32 heartLevel, System.