JS error in grid callback

[senordhuff]

Hello,

I'm seeing the following error in a callback to grid.saveAllEdits(). Any idea what is going on from this snippet?

21:00:16.890:DEBUG:DataSource:AssetScenario:Direct compare: 4239==4170
21:00:17.015:WARN:Log:Error:
	''1' is null or not an object'
	in https://www.alphatheory.com/dpt.form
	at line 556
    ResultSet.$396(_1=>Array[1])
    ResultSet.addCacheData(_1=>Array[1])
    ResultSet.updateCache(_1=>"add", _2=>Array[1])
    ResultSet.handleUpdate(_1=>"add", _2=>Array[1], _3=>false)
    ResultSet.dataSourceDataChanged(_1=>Obj, _2=>Obj)
    dataChangedObservation(dsResponse=>Obj, dsRequest=>Obj)
    DataSource.updateCaches(_1=>Obj, _2=>Obj)
    DataSource.handleUpdate(_1=>Obj, _2=>Obj)
    DataSource.$38b(_1=>Array[1], _2=>Obj, _3=>Obj, _4=>Obj, _5=>Obj)
    DataSource.$50h(_1=>Obj, _2=>Array[1], _3=>Obj)
    callback(rpcResponse=>Obj, data=>Array[1], rpcRequest=>Obj)
        "AssetScenario.$50h(rpcResponse,data,rpcRequest)"
    Class.fireCallback(_1=>"AssetScenario.$50h(rpcResponse,data,rpcR..."[47], _2=>"rpcResponse,data,rpcRequest", _3=>Array[3], _4=>[RPCManager ID:builtinApplication], _5=>undef) on [Class Class]
    Class.fireCallback(_1=>"AssetScenario.$50h(rpcResponse,data,rpcR..."[47], _2=>"rpcResponse,data,rpcRequest", _3=>Array[3], _4=>undef)
        "return isc.Class.fireCallback(_1,_2,_3,this,_4)"
    RPCManager.fireReplyCallback(_1=>"AssetScenario.$50h(rpcResponse,data,rpcR..."[47], _2=>Obj, _3=>Obj, _4=>Array[1])
    RPCManager.fireReplyCallbacks(_1=>Obj, _2=>Obj)
    RPCManager.performOperationReply(_1=>Obj, _2=>Obj)
    RPCManager.$39d(_1=>8)
    RPCManager.performTransactionReply(_1=>8, _2=>"//isc_RPCResponseStart-->[\r\n    {\r\n     ..."[1622], _3=>undef)
    callback(transactionNum=>8, results=>"//isc_RPCResponseStart-->[\r\n    {\r\n     ..."[1622], wd=>undef)
        "isc.RPCManager.performTransactionReply(transactionNum,results,wd)"
    ** recursed on Class.fireCallback